Home / 1,316,512.60-1,974,837.18-418,024.60

Finding the Fourth Proportional to 1,316,512.60, 1,974,837.18 and 418,024.60

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Solution

The fourth proportional to 1,316,512.60, 1,974,837.18 and 418,024.60 is: 627,058.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,512.60 : 1,974,837.18 = 418,024.60 : x
  2. Step 2: Convert to fraction form
    1,316,512.60/1,974,837.18 = 418,024.60/x
  3. Step 3: Cross multiply
    1,316,512.60x = 1,974,837.18 × 418,024.60
  4. Step 4: Simplify right side
    1,316,512.60x = 825,530,522,234.63
  5. Step 5: Solve for x
    x = 825,530,522,234.63/1,316,512.60
  6. Step 6: Final answer
    x = 627,058.58

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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.