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Finding the Fourth Proportional to 1,070,656, 1,606,606.08 and 479,680

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Solution

The fourth proportional to 1,070,656, 1,606,606.08 and 479,680 is: 719,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,656 : 1,606,606.08 = 479,680 : x
  2. Step 2: Convert to fraction form
    1,070,656/1,606,606.08 = 479,680/x
  3. Step 3: Cross multiply
    1,070,656x = 1,606,606.08 × 479,680
  4. Step 4: Simplify right side
    1,070,656x = 770,656,804,454.40
  5. Step 5: Solve for x
    x = 770,656,804,454.40/1,070,656
  6. Step 6: Final answer
    x = 719,798.71

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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.