Home / 1,441,240.32-1,988,912.07-787,869.18

Finding the Fourth Proportional to 1,441,240.32, 1,988,912.07 and 787,869.18

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Solution

The fourth proportional to 1,441,240.32, 1,988,912.07 and 787,869.18 is: 1,087,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,240.32 : 1,988,912.07 = 787,869.18 : x
  2. Step 2: Convert to fraction form
    1,441,240.32/1,988,912.07 = 787,869.18/x
  3. Step 3: Cross multiply
    1,441,240.32x = 1,988,912.07 × 787,869.18
  4. Step 4: Simplify right side
    1,441,240.32x = 1,567,002,521,683.00
  5. Step 5: Solve for x
    x = 1,567,002,521,683.00/1,441,240.32
  6. Step 6: Final answer
    x = 1,087,259.70

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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.