Home / 1,099,724.46-1,513,966.59-986,350.38

Finding the Fourth Proportional to 1,099,724.46, 1,513,966.59 and 986,350.38

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Solution

The fourth proportional to 1,099,724.46, 1,513,966.59 and 986,350.38 is: 1,357,886.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,724.46 : 1,513,966.59 = 986,350.38 : x
  2. Step 2: Convert to fraction form
    1,099,724.46/1,513,966.59 = 986,350.38/x
  3. Step 3: Cross multiply
    1,099,724.46x = 1,513,966.59 × 986,350.38
  4. Step 4: Simplify right side
    1,099,724.46x = 1,493,301,521,353.80
  5. Step 5: Solve for x
    x = 1,493,301,521,353.80/1,099,724.46
  6. Step 6: Final answer
    x = 1,357,886.98

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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.