Home / 1,998,863.28-2,998,296.12-502,955.28

Finding the Fourth Proportional to 1,998,863.28, 2,998,296.12 and 502,955.28

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Solution

The fourth proportional to 1,998,863.28, 2,998,296.12 and 502,955.28 is: 754,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,863.28 : 2,998,296.12 = 502,955.28 : x
  2. Step 2: Convert to fraction form
    1,998,863.28/2,998,296.12 = 502,955.28/x
  3. Step 3: Cross multiply
    1,998,863.28x = 2,998,296.12 × 502,955.28
  4. Step 4: Simplify right side
    1,998,863.28x = 1,508,008,864,557.51
  5. Step 5: Solve for x
    x = 1,508,008,864,557.51/1,998,863.28
  6. Step 6: Final answer
    x = 754,433.22

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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.