Home / 1,441,134.30-1,988,730.65-787,731

Finding the Fourth Proportional to 1,441,134.30, 1,988,730.65 and 787,731

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Solution

The fourth proportional to 1,441,134.30, 1,988,730.65 and 787,731 is: 1,087,049.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,134.30 : 1,988,730.65 = 787,731 : x
  2. Step 2: Convert to fraction form
    1,441,134.30/1,988,730.65 = 787,731/x
  3. Step 3: Cross multiply
    1,441,134.30x = 1,988,730.65 × 787,731
  4. Step 4: Simplify right side
    1,441,134.30x = 1,566,584,779,716.50
  5. Step 5: Solve for x
    x = 1,566,584,779,716.50/1,441,134.30
  6. Step 6: Final answer
    x = 1,087,049.82

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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.