Home / 1,289,167.13-1,779,082.29-708,385.52

Finding the Fourth Proportional to 1,289,167.13, 1,779,082.29 and 708,385.52

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Solution

The fourth proportional to 1,289,167.13, 1,779,082.29 and 708,385.52 is: 977,589.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,167.13 : 1,779,082.29 = 708,385.52 : x
  2. Step 2: Convert to fraction form
    1,289,167.13/1,779,082.29 = 708,385.52/x
  3. Step 3: Cross multiply
    1,289,167.13x = 1,779,082.29 × 708,385.52
  4. Step 4: Simplify right side
    1,289,167.13x = 1,260,276,124,229.03
  5. Step 5: Solve for x
    x = 1,260,276,124,229.03/1,289,167.13
  6. Step 6: Final answer
    x = 977,589.41

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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.