Home / 1,472,714.60-2,207,516.70-840,266.60

Finding the Fourth Proportional to 1,472,714.60, 2,207,516.70 and 840,266.60

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Solution

The fourth proportional to 1,472,714.60, 2,207,516.70 and 840,266.60 is: 1,259,512.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,714.60 : 2,207,516.70 = 840,266.60 : x
  2. Step 2: Convert to fraction form
    1,472,714.60/2,207,516.70 = 840,266.60/x
  3. Step 3: Cross multiply
    1,472,714.60x = 2,207,516.70 × 840,266.60
  4. Step 4: Simplify right side
    1,472,714.60x = 1,854,902,551,952.22
  5. Step 5: Solve for x
    x = 1,854,902,551,952.22/1,472,714.60
  6. Step 6: Final answer
    x = 1,259,512.57

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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.