Home / 1,254,279.70-1,881,419.55-455,587.30

Finding the Fourth Proportional to 1,254,279.70, 1,881,419.55 and 455,587.30

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Solution

The fourth proportional to 1,254,279.70, 1,881,419.55 and 455,587.30 is: 683,380.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,279.70 : 1,881,419.55 = 455,587.30 : x
  2. Step 2: Convert to fraction form
    1,254,279.70/1,881,419.55 = 455,587.30/x
  3. Step 3: Cross multiply
    1,254,279.70x = 1,881,419.55 × 455,587.30
  4. Step 4: Simplify right side
    1,254,279.70x = 857,150,852,951.72
  5. Step 5: Solve for x
    x = 857,150,852,951.72/1,254,279.70
  6. Step 6: Final answer
    x = 683,380.95

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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.