Home / 1,486,200.76-2,050,980.78-807,137.20

Finding the Fourth Proportional to 1,486,200.76, 2,050,980.78 and 807,137.20

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Solution

The fourth proportional to 1,486,200.76, 2,050,980.78 and 807,137.20 is: 1,113,862.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,200.76 : 2,050,980.78 = 807,137.20 : x
  2. Step 2: Convert to fraction form
    1,486,200.76/2,050,980.78 = 807,137.20/x
  3. Step 3: Cross multiply
    1,486,200.76x = 2,050,980.78 × 807,137.20
  4. Step 4: Simplify right side
    1,486,200.76x = 1,655,422,884,023.02
  5. Step 5: Solve for x
    x = 1,655,422,884,023.02/1,486,200.76
  6. Step 6: Final answer
    x = 1,113,862.22

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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.