Home / 1,011,555.11-1,517,333.87-301,565.60

Finding the Fourth Proportional to 1,011,555.11, 1,517,333.87 and 301,565.60

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Solution

The fourth proportional to 1,011,555.11, 1,517,333.87 and 301,565.60 is: 452,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,555.11 : 1,517,333.87 = 301,565.60 : x
  2. Step 2: Convert to fraction form
    1,011,555.11/1,517,333.87 = 301,565.60/x
  3. Step 3: Cross multiply
    1,011,555.11x = 1,517,333.87 × 301,565.60
  4. Step 4: Simplify right side
    1,011,555.11x = 457,575,703,454.12
  5. Step 5: Solve for x
    x = 457,575,703,454.12/1,011,555.11
  6. Step 6: Final answer
    x = 452,348.77

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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.