Home / 880,834.20-1,317,752.10-763,805.40

Finding the Fourth Proportional to 880,834.20, 1,317,752.10 and 763,805.40

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Solution

The fourth proportional to 880,834.20, 1,317,752.10 and 763,805.40 is: 1,142,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,834.20 : 1,317,752.10 = 763,805.40 : x
  2. Step 2: Convert to fraction form
    880,834.20/1,317,752.10 = 763,805.40/x
  3. Step 3: Cross multiply
    880,834.20x = 1,317,752.10 × 763,805.40
  4. Step 4: Simplify right side
    880,834.20x = 1,006,506,169,841.34
  5. Step 5: Solve for x
    x = 1,006,506,169,841.34/880,834.20
  6. Step 6: Final answer
    x = 1,142,673.81

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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.