Home / 1,490,174.31-2,235,594.78-543,545.03

Finding the Fourth Proportional to 1,490,174.31, 2,235,594.78 and 543,545.03

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Solution

The fourth proportional to 1,490,174.31, 2,235,594.78 and 543,545.03 is: 815,439.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,174.31 : 2,235,594.78 = 543,545.03 : x
  2. Step 2: Convert to fraction form
    1,490,174.31/2,235,594.78 = 543,545.03/x
  3. Step 3: Cross multiply
    1,490,174.31x = 2,235,594.78 × 543,545.03
  4. Step 4: Simplify right side
    1,490,174.31x = 1,215,146,417,867.24
  5. Step 5: Solve for x
    x = 1,215,146,417,867.24/1,490,174.31
  6. Step 6: Final answer
    x = 815,439.11

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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.