Home / 1,031,398.65-1,423,258.85-572,477.15

Finding the Fourth Proportional to 1,031,398.65, 1,423,258.85 and 572,477.15

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Solution

The fourth proportional to 1,031,398.65, 1,423,258.85 and 572,477.15 is: 789,978.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,398.65 : 1,423,258.85 = 572,477.15 : x
  2. Step 2: Convert to fraction form
    1,031,398.65/1,423,258.85 = 572,477.15/x
  3. Step 3: Cross multiply
    1,031,398.65x = 1,423,258.85 × 572,477.15
  4. Step 4: Simplify right side
    1,031,398.65x = 814,783,175,149.62
  5. Step 5: Solve for x
    x = 814,783,175,149.62/1,031,398.65
  6. Step 6: Final answer
    x = 789,978.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.