Home / 1,656,822.60-2,486,546.10-646,428.60

Finding the Fourth Proportional to 1,656,822.60, 2,486,546.10 and 646,428.60

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Solution

The fourth proportional to 1,656,822.60, 2,486,546.10 and 646,428.60 is: 970,154.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,822.60 : 2,486,546.10 = 646,428.60 : x
  2. Step 2: Convert to fraction form
    1,656,822.60/2,486,546.10 = 646,428.60/x
  3. Step 3: Cross multiply
    1,656,822.60x = 2,486,546.10 × 646,428.60
  4. Step 4: Simplify right side
    1,656,822.60x = 1,607,374,514,258.46
  5. Step 5: Solve for x
    x = 1,607,374,514,258.46/1,656,822.60
  6. Step 6: Final answer
    x = 970,154.87

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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.