Home / 1,021,973.40-1,532,960.10-489,220.20

Finding the Fourth Proportional to 1,021,973.40, 1,532,960.10 and 489,220.20

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Solution

The fourth proportional to 1,021,973.40, 1,532,960.10 and 489,220.20 is: 733,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,973.40 : 1,532,960.10 = 489,220.20 : x
  2. Step 2: Convert to fraction form
    1,021,973.40/1,532,960.10 = 489,220.20/x
  3. Step 3: Cross multiply
    1,021,973.40x = 1,532,960.10 × 489,220.20
  4. Step 4: Simplify right side
    1,021,973.40x = 749,955,046,714.02
  5. Step 5: Solve for x
    x = 749,955,046,714.02/1,021,973.40
  6. Step 6: Final answer
    x = 733,830.30

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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.