Home / 1,118,358.11-1,543,122.15-710,526.35

Finding the Fourth Proportional to 1,118,358.11, 1,543,122.15 and 710,526.35

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Solution

The fourth proportional to 1,118,358.11, 1,543,122.15 and 710,526.35 is: 980,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,358.11 : 1,543,122.15 = 710,526.35 : x
  2. Step 2: Convert to fraction form
    1,118,358.11/1,543,122.15 = 710,526.35/x
  3. Step 3: Cross multiply
    1,118,358.11x = 1,543,122.15 × 710,526.35
  4. Step 4: Simplify right side
    1,118,358.11x = 1,096,428,948,843.65
  5. Step 5: Solve for x
    x = 1,096,428,948,843.65/1,118,358.11
  6. Step 6: Final answer
    x = 980,391.65

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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.