Home / 1,386,036.20-2,077,499.10-787,284.20

Finding the Fourth Proportional to 1,386,036.20, 2,077,499.10 and 787,284.20

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Solution

The fourth proportional to 1,386,036.20, 2,077,499.10 and 787,284.20 is: 1,180,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,036.20 : 2,077,499.10 = 787,284.20 : x
  2. Step 2: Convert to fraction form
    1,386,036.20/2,077,499.10 = 787,284.20/x
  3. Step 3: Cross multiply
    1,386,036.20x = 2,077,499.10 × 787,284.20
  4. Step 4: Simplify right side
    1,386,036.20x = 1,635,582,216,944.22
  5. Step 5: Solve for x
    x = 1,635,582,216,944.22/1,386,036.20
  6. Step 6: Final answer
    x = 1,180,042.93

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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.