Home / 1,038,954.10-1,558,107.15-408,061.30

Finding the Fourth Proportional to 1,038,954.10, 1,558,107.15 and 408,061.30

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Solution

The fourth proportional to 1,038,954.10, 1,558,107.15 and 408,061.30 is: 611,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,954.10 : 1,558,107.15 = 408,061.30 : x
  2. Step 2: Convert to fraction form
    1,038,954.10/1,558,107.15 = 408,061.30/x
  3. Step 3: Cross multiply
    1,038,954.10x = 1,558,107.15 × 408,061.30
  4. Step 4: Simplify right side
    1,038,954.10x = 635,803,229,168.30
  5. Step 5: Solve for x
    x = 635,803,229,168.30/1,038,954.10
  6. Step 6: Final answer
    x = 611,964.70

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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.