Home / 1,755,471.20-2,632,459.10-689,765.69

Finding the Fourth Proportional to 1,755,471.20, 2,632,459.10 and 689,765.69

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Solution

The fourth proportional to 1,755,471.20, 2,632,459.10 and 689,765.69 is: 1,034,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,471.20 : 2,632,459.10 = 689,765.69 : x
  2. Step 2: Convert to fraction form
    1,755,471.20/2,632,459.10 = 689,765.69/x
  3. Step 3: Cross multiply
    1,755,471.20x = 2,632,459.10 × 689,765.69
  4. Step 4: Simplify right side
    1,755,471.20x = 1,815,779,956,070.40
  5. Step 5: Solve for x
    x = 1,815,779,956,070.40/1,755,471.20
  6. Step 6: Final answer
    x = 1,034,354.74

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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.