Home / 1,432,038.87-1,976,264.37-787,508.10

Finding the Fourth Proportional to 1,432,038.87, 1,976,264.37 and 787,508.10

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Solution

The fourth proportional to 1,432,038.87, 1,976,264.37 and 787,508.10 is: 1,086,789.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,038.87 : 1,976,264.37 = 787,508.10 : x
  2. Step 2: Convert to fraction form
    1,432,038.87/1,976,264.37 = 787,508.10/x
  3. Step 3: Cross multiply
    1,432,038.87x = 1,976,264.37 × 787,508.10
  4. Step 4: Simplify right side
    1,432,038.87x = 1,556,324,199,116.40
  5. Step 5: Solve for x
    x = 1,556,324,199,116.40/1,432,038.87
  6. Step 6: Final answer
    x = 1,086,789.08

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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.