Home / 1,078,155.40-1,617,233.10-658,251.40

Finding the Fourth Proportional to 1,078,155.40, 1,617,233.10 and 658,251.40

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Solution

The fourth proportional to 1,078,155.40, 1,617,233.10 and 658,251.40 is: 987,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,155.40 : 1,617,233.10 = 658,251.40 : x
  2. Step 2: Convert to fraction form
    1,078,155.40/1,617,233.10 = 658,251.40/x
  3. Step 3: Cross multiply
    1,078,155.40x = 1,617,233.10 × 658,251.40
  4. Step 4: Simplify right side
    1,078,155.40x = 1,064,545,952,201.34
  5. Step 5: Solve for x
    x = 1,064,545,952,201.34/1,078,155.40
  6. Step 6: Final answer
    x = 987,377.10

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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.