Home / 1,421,963.64-2,132,511.66-747,679.14

Finding the Fourth Proportional to 1,421,963.64, 2,132,511.66 and 747,679.14

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Solution

The fourth proportional to 1,421,963.64, 2,132,511.66 and 747,679.14 is: 1,121,290.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,963.64 : 2,132,511.66 = 747,679.14 : x
  2. Step 2: Convert to fraction form
    1,421,963.64/2,132,511.66 = 747,679.14/x
  3. Step 3: Cross multiply
    1,421,963.64x = 2,132,511.66 × 747,679.14
  4. Step 4: Simplify right side
    1,421,963.64x = 1,594,434,483,988.77
  5. Step 5: Solve for x
    x = 1,594,434,483,988.77/1,421,963.64
  6. Step 6: Final answer
    x = 1,121,290.61

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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.