Home / 1,027,712.90-1,541,569.35-317,812.70

Finding the Fourth Proportional to 1,027,712.90, 1,541,569.35 and 317,812.70

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Solution

The fourth proportional to 1,027,712.90, 1,541,569.35 and 317,812.70 is: 476,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,712.90 : 1,541,569.35 = 317,812.70 : x
  2. Step 2: Convert to fraction form
    1,027,712.90/1,541,569.35 = 317,812.70/x
  3. Step 3: Cross multiply
    1,027,712.90x = 1,541,569.35 × 317,812.70
  4. Step 4: Simplify right side
    1,027,712.90x = 489,930,317,360.75
  5. Step 5: Solve for x
    x = 489,930,317,360.75/1,027,712.90
  6. Step 6: Final answer
    x = 476,719.05

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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.