Home / 1,549,615.56-2,138,524.50-861,301.32

Finding the Fourth Proportional to 1,549,615.56, 2,138,524.50 and 861,301.32

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Solution

The fourth proportional to 1,549,615.56, 2,138,524.50 and 861,301.32 is: 1,188,626.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,615.56 : 2,138,524.50 = 861,301.32 : x
  2. Step 2: Convert to fraction form
    1,549,615.56/2,138,524.50 = 861,301.32/x
  3. Step 3: Cross multiply
    1,549,615.56x = 2,138,524.50 × 861,301.32
  4. Step 4: Simplify right side
    1,549,615.56x = 1,841,913,974,702.34
  5. Step 5: Solve for x
    x = 1,841,913,974,702.34/1,549,615.56
  6. Step 6: Final answer
    x = 1,188,626.41

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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.