Home / 1,204,572.69-1,662,356.84-660,731.40

Finding the Fourth Proportional to 1,204,572.69, 1,662,356.84 and 660,731.40

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Solution

The fourth proportional to 1,204,572.69, 1,662,356.84 and 660,731.40 is: 911,834.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,572.69 : 1,662,356.84 = 660,731.40 : x
  2. Step 2: Convert to fraction form
    1,204,572.69/1,662,356.84 = 660,731.40/x
  3. Step 3: Cross multiply
    1,204,572.69x = 1,662,356.84 × 660,731.40
  4. Step 4: Simplify right side
    1,204,572.69x = 1,098,371,358,889.12
  5. Step 5: Solve for x
    x = 1,098,371,358,889.12/1,204,572.69
  6. Step 6: Final answer
    x = 911,834.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.