Home / 1,486,199.76-2,050,979.40-807,136.20

Finding the Fourth Proportional to 1,486,199.76, 2,050,979.40 and 807,136.20

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Solution

The fourth proportional to 1,486,199.76, 2,050,979.40 and 807,136.20 is: 1,113,860.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,199.76 : 2,050,979.40 = 807,136.20 : x
  2. Step 2: Convert to fraction form
    1,486,199.76/2,050,979.40 = 807,136.20/x
  3. Step 3: Cross multiply
    1,486,199.76x = 2,050,979.40 × 807,136.20
  4. Step 4: Simplify right side
    1,486,199.76x = 1,655,419,719,194.28
  5. Step 5: Solve for x
    x = 1,655,419,719,194.28/1,486,199.76
  6. Step 6: Final answer
    x = 1,113,860.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.