Home / 1,438,233.52-2,156,679.60-426,984.16

Finding the Fourth Proportional to 1,438,233.52, 2,156,679.60 and 426,984.16

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Solution

The fourth proportional to 1,438,233.52, 2,156,679.60 and 426,984.16 is: 640,277.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,233.52 : 2,156,679.60 = 426,984.16 : x
  2. Step 2: Convert to fraction form
    1,438,233.52/2,156,679.60 = 426,984.16/x
  3. Step 3: Cross multiply
    1,438,233.52x = 2,156,679.60 × 426,984.16
  4. Step 4: Simplify right side
    1,438,233.52x = 920,868,027,395.14
  5. Step 5: Solve for x
    x = 920,868,027,395.14/1,438,233.52
  6. Step 6: Final answer
    x = 640,277.13

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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.