Home / 1,386,517.31-2,079,818.34-475,687.01

Finding the Fourth Proportional to 1,386,517.31, 2,079,818.34 and 475,687.01

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Solution

The fourth proportional to 1,386,517.31, 2,079,818.34 and 475,687.01 is: 713,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,517.31 : 2,079,818.34 = 475,687.01 : x
  2. Step 2: Convert to fraction form
    1,386,517.31/2,079,818.34 = 475,687.01/x
  3. Step 3: Cross multiply
    1,386,517.31x = 2,079,818.34 × 475,687.01
  4. Step 4: Simplify right side
    1,386,517.31x = 989,342,567,497.76
  5. Step 5: Solve for x
    x = 989,342,567,497.76/1,386,517.31
  6. Step 6: Final answer
    x = 713,545.05

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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.