Home / 1,660,086.29-2,490,479.36-538,067.81

Finding the Fourth Proportional to 1,660,086.29, 2,490,479.36 and 538,067.81

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Solution

The fourth proportional to 1,660,086.29, 2,490,479.36 and 538,067.81 is: 807,215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,086.29 : 2,490,479.36 = 538,067.81 : x
  2. Step 2: Convert to fraction form
    1,660,086.29/2,490,479.36 = 538,067.81/x
  3. Step 3: Cross multiply
    1,660,086.29x = 2,490,479.36 × 538,067.81
  4. Step 4: Simplify right side
    1,660,086.29x = 1,340,046,780,639.02
  5. Step 5: Solve for x
    x = 1,340,046,780,639.02/1,660,086.29
  6. Step 6: Final answer
    x = 807,215.13

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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.