Home / 1,539,764.20-2,309,646.30-972,893.80

Finding the Fourth Proportional to 1,539,764.20, 2,309,646.30 and 972,893.80

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Solution

The fourth proportional to 1,539,764.20, 2,309,646.30 and 972,893.80 is: 1,459,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,764.20 : 2,309,646.30 = 972,893.80 : x
  2. Step 2: Convert to fraction form
    1,539,764.20/2,309,646.30 = 972,893.80/x
  3. Step 3: Cross multiply
    1,539,764.20x = 2,309,646.30 × 972,893.80
  4. Step 4: Simplify right side
    1,539,764.20x = 2,247,040,565,462.94
  5. Step 5: Solve for x
    x = 2,247,040,565,462.94/1,539,764.20
  6. Step 6: Final answer
    x = 1,459,340.70

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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.