Home / 1,386,748.47-2,080,227.20-414,035.76

Finding the Fourth Proportional to 1,386,748.47, 2,080,227.20 and 414,035.76

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Solution

The fourth proportional to 1,386,748.47, 2,080,227.20 and 414,035.76 is: 621,084.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,748.47 : 2,080,227.20 = 414,035.76 : x
  2. Step 2: Convert to fraction form
    1,386,748.47/2,080,227.20 = 414,035.76/x
  3. Step 3: Cross multiply
    1,386,748.47x = 2,080,227.20 × 414,035.76
  4. Step 4: Simplify right side
    1,386,748.47x = 861,288,447,654.49
  5. Step 5: Solve for x
    x = 861,288,447,654.49/1,386,748.47
  6. Step 6: Final answer
    x = 621,084.84

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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.