Home / 1,432,038.83-1,976,264.33-787,508.06

Finding the Fourth Proportional to 1,432,038.83, 1,976,264.33 and 787,508.06

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Solution

The fourth proportional to 1,432,038.83, 1,976,264.33 and 787,508.06 is: 1,086,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,038.83 : 1,976,264.33 = 787,508.06 : x
  2. Step 2: Convert to fraction form
    1,432,038.83/1,976,264.33 = 787,508.06/x
  3. Step 3: Cross multiply
    1,432,038.83x = 1,976,264.33 × 787,508.06
  4. Step 4: Simplify right side
    1,432,038.83x = 1,556,324,074,746.64
  5. Step 5: Solve for x
    x = 1,556,324,074,746.64/1,432,038.83
  6. Step 6: Final answer
    x = 1,086,789.02

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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.