Home / 1,501,396.68-2,071,928.33-813,073.87

Finding the Fourth Proportional to 1,501,396.68, 2,071,928.33 and 813,073.87

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Solution

The fourth proportional to 1,501,396.68, 2,071,928.33 and 813,073.87 is: 1,122,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,396.68 : 2,071,928.33 = 813,073.87 : x
  2. Step 2: Convert to fraction form
    1,501,396.68/2,071,928.33 = 813,073.87/x
  3. Step 3: Cross multiply
    1,501,396.68x = 2,071,928.33 × 813,073.87
  4. Step 4: Simplify right side
    1,501,396.68x = 1,684,630,785,635.74
  5. Step 5: Solve for x
    x = 1,684,630,785,635.74/1,501,396.68
  6. Step 6: Final answer
    x = 1,122,042.43

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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.