Home / 1,441,133.19-1,988,729.10-787,729.86

Finding the Fourth Proportional to 1,441,133.19, 1,988,729.10 and 787,729.86

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Solution

The fourth proportional to 1,441,133.19, 1,988,729.10 and 787,729.86 is: 1,087,048.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,133.19 : 1,988,729.10 = 787,729.86 : x
  2. Step 2: Convert to fraction form
    1,441,133.19/1,988,729.10 = 787,729.86/x
  3. Step 3: Cross multiply
    1,441,133.19x = 1,988,729.10 × 787,729.86
  4. Step 4: Simplify right side
    1,441,133.19x = 1,566,581,295,520.93
  5. Step 5: Solve for x
    x = 1,566,581,295,520.93/1,441,133.19
  6. Step 6: Final answer
    x = 1,087,048.24

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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.