Home / 1,497,336.40-2,066,325.20-818,272.96

Finding the Fourth Proportional to 1,497,336.40, 2,066,325.20 and 818,272.96

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Solution

The fourth proportional to 1,497,336.40, 2,066,325.20 and 818,272.96 is: 1,129,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,336.40 : 2,066,325.20 = 818,272.96 : x
  2. Step 2: Convert to fraction form
    1,497,336.40/2,066,325.20 = 818,272.96/x
  3. Step 3: Cross multiply
    1,497,336.40x = 2,066,325.20 × 818,272.96
  4. Step 4: Simplify right side
    1,497,336.40x = 1,690,818,037,726.59
  5. Step 5: Solve for x
    x = 1,690,818,037,726.59/1,497,336.40
  6. Step 6: Final answer
    x = 1,129,217.21

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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.