Home / 1,120,999.30-1,681,498.95-924,169.30

Finding the Fourth Proportional to 1,120,999.30, 1,681,498.95 and 924,169.30

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Solution

The fourth proportional to 1,120,999.30, 1,681,498.95 and 924,169.30 is: 1,386,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,999.30 : 1,681,498.95 = 924,169.30 : x
  2. Step 2: Convert to fraction form
    1,120,999.30/1,681,498.95 = 924,169.30/x
  3. Step 3: Cross multiply
    1,120,999.30x = 1,681,498.95 × 924,169.30
  4. Step 4: Simplify right side
    1,120,999.30x = 1,553,989,707,572.24
  5. Step 5: Solve for x
    x = 1,553,989,707,572.24/1,120,999.30
  6. Step 6: Final answer
    x = 1,386,253.95

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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.