Home / 1,359,471.60-2,037,462.93-1,148,721.21

Finding the Fourth Proportional to 1,359,471.60, 2,037,462.93 and 1,148,721.21

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Solution

The fourth proportional to 1,359,471.60, 2,037,462.93 and 1,148,721.21 is: 1,721,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,471.60 : 2,037,462.93 = 1,148,721.21 : x
  2. Step 2: Convert to fraction form
    1,359,471.60/2,037,462.93 = 1,148,721.21/x
  3. Step 3: Cross multiply
    1,359,471.60x = 2,037,462.93 × 1,148,721.21
  4. Step 4: Simplify right side
    1,359,471.60x = 2,340,476,882,279.75
  5. Step 5: Solve for x
    x = 2,340,476,882,279.75/1,359,471.60
  6. Step 6: Final answer
    x = 1,721,607.78

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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.