Home / 1,427,760.70-2,140,575.82-859,008.53

Finding the Fourth Proportional to 1,427,760.70, 2,140,575.82 and 859,008.53

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Solution

The fourth proportional to 1,427,760.70, 2,140,575.82 and 859,008.53 is: 1,287,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,760.70 : 2,140,575.82 = 859,008.53 : x
  2. Step 2: Convert to fraction form
    1,427,760.70/2,140,575.82 = 859,008.53/x
  3. Step 3: Cross multiply
    1,427,760.70x = 2,140,575.82 × 859,008.53
  4. Step 4: Simplify right side
    1,427,760.70x = 1,838,772,891,695.66
  5. Step 5: Solve for x
    x = 1,838,772,891,695.66/1,427,760.70
  6. Step 6: Final answer
    x = 1,287,871.91

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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.