Home / 1,553,999.90-2,330,999.85-489,368.30

Finding the Fourth Proportional to 1,553,999.90, 2,330,999.85 and 489,368.30

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Solution

The fourth proportional to 1,553,999.90, 2,330,999.85 and 489,368.30 is: 734,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,999.90 : 2,330,999.85 = 489,368.30 : x
  2. Step 2: Convert to fraction form
    1,553,999.90/2,330,999.85 = 489,368.30/x
  3. Step 3: Cross multiply
    1,553,999.90x = 2,330,999.85 × 489,368.30
  4. Step 4: Simplify right side
    1,553,999.90x = 1,140,717,433,894.76
  5. Step 5: Solve for x
    x = 1,140,717,433,894.76/1,553,999.90
  6. Step 6: Final answer
    x = 734,052.45

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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.