Home / 1,273,977.83-1,758,162.15-730,204.20

Finding the Fourth Proportional to 1,273,977.83, 1,758,162.15 and 730,204.20

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Solution

The fourth proportional to 1,273,977.83, 1,758,162.15 and 730,204.20 is: 1,007,723.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,977.83 : 1,758,162.15 = 730,204.20 : x
  2. Step 2: Convert to fraction form
    1,273,977.83/1,758,162.15 = 730,204.20/x
  3. Step 3: Cross multiply
    1,273,977.83x = 1,758,162.15 × 730,204.20
  4. Step 4: Simplify right side
    1,273,977.83x = 1,283,817,373,769.20
  5. Step 5: Solve for x
    x = 1,283,817,373,769.20/1,273,977.83
  6. Step 6: Final answer
    x = 1,007,723.49

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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.