Home / 1,255,281.10-1,882,921.65-413,629.90

Finding the Fourth Proportional to 1,255,281.10, 1,882,921.65 and 413,629.90

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Solution

The fourth proportional to 1,255,281.10, 1,882,921.65 and 413,629.90 is: 620,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,281.10 : 1,882,921.65 = 413,629.90 : x
  2. Step 2: Convert to fraction form
    1,255,281.10/1,882,921.65 = 413,629.90/x
  3. Step 3: Cross multiply
    1,255,281.10x = 1,882,921.65 × 413,629.90
  4. Step 4: Simplify right side
    1,255,281.10x = 778,832,693,797.34
  5. Step 5: Solve for x
    x = 778,832,693,797.34/1,255,281.10
  6. Step 6: Final answer
    x = 620,444.85

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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.