Home / 1,280,385.13-1,766,967.13-707,462.23

Finding the Fourth Proportional to 1,280,385.13, 1,766,967.13 and 707,462.23

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Solution

The fourth proportional to 1,280,385.13, 1,766,967.13 and 707,462.23 is: 976,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,385.13 : 1,766,967.13 = 707,462.23 : x
  2. Step 2: Convert to fraction form
    1,280,385.13/1,766,967.13 = 707,462.23/x
  3. Step 3: Cross multiply
    1,280,385.13x = 1,766,967.13 × 707,462.23
  4. Step 4: Simplify right side
    1,280,385.13x = 1,250,062,506,126.50
  5. Step 5: Solve for x
    x = 1,250,062,506,126.50/1,280,385.13
  6. Step 6: Final answer
    x = 976,317.58

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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.