Home / 1,371,139.20-2,056,373.28-572,427.36

Finding the Fourth Proportional to 1,371,139.20, 2,056,373.28 and 572,427.36

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Solution

The fourth proportional to 1,371,139.20, 2,056,373.28 and 572,427.36 is: 858,500.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,139.20 : 2,056,373.28 = 572,427.36 : x
  2. Step 2: Convert to fraction form
    1,371,139.20/2,056,373.28 = 572,427.36/x
  3. Step 3: Cross multiply
    1,371,139.20x = 2,056,373.28 × 572,427.36
  4. Step 4: Simplify right side
    1,371,139.20x = 1,177,124,327,844.94
  5. Step 5: Solve for x
    x = 1,177,124,327,844.94/1,371,139.20
  6. Step 6: Final answer
    x = 858,500.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.