Home / 1,120,446.60-1,680,451.20-372,492.60

Finding the Fourth Proportional to 1,120,446.60, 1,680,451.20 and 372,492.60

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Solution

The fourth proportional to 1,120,446.60, 1,680,451.20 and 372,492.60 is: 558,666.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,446.60 : 1,680,451.20 = 372,492.60 : x
  2. Step 2: Convert to fraction form
    1,120,446.60/1,680,451.20 = 372,492.60/x
  3. Step 3: Cross multiply
    1,120,446.60x = 1,680,451.20 × 372,492.60
  4. Step 4: Simplify right side
    1,120,446.60x = 625,955,636,661.12
  5. Step 5: Solve for x
    x = 625,955,636,661.12/1,120,446.60
  6. Step 6: Final answer
    x = 558,666.19

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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.