Home / 1,418,037.86-1,956,542.37-866,612.90

Finding the Fourth Proportional to 1,418,037.86, 1,956,542.37 and 866,612.90

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Solution

The fourth proportional to 1,418,037.86, 1,956,542.37 and 866,612.90 is: 1,195,711.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,037.86 : 1,956,542.37 = 866,612.90 : x
  2. Step 2: Convert to fraction form
    1,418,037.86/1,956,542.37 = 866,612.90/x
  3. Step 3: Cross multiply
    1,418,037.86x = 1,956,542.37 × 866,612.90
  4. Step 4: Simplify right side
    1,418,037.86x = 1,695,564,857,238.57
  5. Step 5: Solve for x
    x = 1,695,564,857,238.57/1,418,037.86
  6. Step 6: Final answer
    x = 1,195,711.98

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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.