Home / 1,545,494.72-2,132,781.28-866,431.36

Finding the Fourth Proportional to 1,545,494.72, 2,132,781.28 and 866,431.36

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Solution

The fourth proportional to 1,545,494.72, 2,132,781.28 and 866,431.36 is: 1,195,674.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,494.72 : 2,132,781.28 = 866,431.36 : x
  2. Step 2: Convert to fraction form
    1,545,494.72/2,132,781.28 = 866,431.36/x
  3. Step 3: Cross multiply
    1,545,494.72x = 2,132,781.28 × 866,431.36
  4. Step 4: Simplify right side
    1,545,494.72x = 1,847,908,585,012.94
  5. Step 5: Solve for x
    x = 1,847,908,585,012.94/1,545,494.72
  6. Step 6: Final answer
    x = 1,195,674.47

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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.