Home / 1,498,719.66-2,068,231.65-810,389.87

Finding the Fourth Proportional to 1,498,719.66, 2,068,231.65 and 810,389.87

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Solution

The fourth proportional to 1,498,719.66, 2,068,231.65 and 810,389.87 is: 1,118,337.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,719.66 : 2,068,231.65 = 810,389.87 : x
  2. Step 2: Convert to fraction form
    1,498,719.66/2,068,231.65 = 810,389.87/x
  3. Step 3: Cross multiply
    1,498,719.66x = 2,068,231.65 × 810,389.87
  4. Step 4: Simplify right side
    1,498,719.66x = 1,676,073,977,973.39
  5. Step 5: Solve for x
    x = 1,676,073,977,973.39/1,498,719.66
  6. Step 6: Final answer
    x = 1,118,337.22

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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.