Home / 1,059,332.40-1,587,616.20-490,647.60

Finding the Fourth Proportional to 1,059,332.40, 1,587,616.20 and 490,647.60

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Solution

The fourth proportional to 1,059,332.40, 1,587,616.20 and 490,647.60 is: 735,331.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,332.40 : 1,587,616.20 = 490,647.60 : x
  2. Step 2: Convert to fraction form
    1,059,332.40/1,587,616.20 = 490,647.60/x
  3. Step 3: Cross multiply
    1,059,332.40x = 1,587,616.20 × 490,647.60
  4. Step 4: Simplify right side
    1,059,332.40x = 778,960,078,251.12
  5. Step 5: Solve for x
    x = 778,960,078,251.12/1,059,332.40
  6. Step 6: Final answer
    x = 735,331.12

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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.