Home / 1,050,221.10-1,575,331.65-489,312.30

Finding the Fourth Proportional to 1,050,221.10, 1,575,331.65 and 489,312.30

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Solution

The fourth proportional to 1,050,221.10, 1,575,331.65 and 489,312.30 is: 733,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,221.10 : 1,575,331.65 = 489,312.30 : x
  2. Step 2: Convert to fraction form
    1,050,221.10/1,575,331.65 = 489,312.30/x
  3. Step 3: Cross multiply
    1,050,221.10x = 1,575,331.65 × 489,312.30
  4. Step 4: Simplify right side
    1,050,221.10x = 770,829,152,924.30
  5. Step 5: Solve for x
    x = 770,829,152,924.30/1,050,221.10
  6. Step 6: Final answer
    x = 733,968.45

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Double scale
Find fourth proportional to 1,050,222.10, 1,575,333.15 and 489,313.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.