Home / 1,273,655.17-1,757,895.11-730,155.60

Finding the Fourth Proportional to 1,273,655.17, 1,757,895.11 and 730,155.60

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Solution

The fourth proportional to 1,273,655.17, 1,757,895.11 and 730,155.60 is: 1,007,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,655.17 : 1,757,895.11 = 730,155.60 : x
  2. Step 2: Convert to fraction form
    1,273,655.17/1,757,895.11 = 730,155.60/x
  3. Step 3: Cross multiply
    1,273,655.17x = 1,757,895.11 × 730,155.60
  4. Step 4: Simplify right side
    1,273,655.17x = 1,283,536,957,866.42
  5. Step 5: Solve for x
    x = 1,283,536,957,866.42/1,273,655.17
  6. Step 6: Final answer
    x = 1,007,758.60

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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.