Home / 1,149,294.88-1,586,026.92-666,140.28

Finding the Fourth Proportional to 1,149,294.88, 1,586,026.92 and 666,140.28

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Solution

The fourth proportional to 1,149,294.88, 1,586,026.92 and 666,140.28 is: 919,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,294.88 : 1,586,026.92 = 666,140.28 : x
  2. Step 2: Convert to fraction form
    1,149,294.88/1,586,026.92 = 666,140.28/x
  3. Step 3: Cross multiply
    1,149,294.88x = 1,586,026.92 × 666,140.28
  4. Step 4: Simplify right side
    1,149,294.88x = 1,056,516,413,126.76
  5. Step 5: Solve for x
    x = 1,056,516,413,126.76/1,149,294.88
  6. Step 6: Final answer
    x = 919,273.57

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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.