Home / 1,005,416.20-1,508,124.30-887,318.20

Finding the Fourth Proportional to 1,005,416.20, 1,508,124.30 and 887,318.20

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Solution

The fourth proportional to 1,005,416.20, 1,508,124.30 and 887,318.20 is: 1,330,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,416.20 : 1,508,124.30 = 887,318.20 : x
  2. Step 2: Convert to fraction form
    1,005,416.20/1,508,124.30 = 887,318.20/x
  3. Step 3: Cross multiply
    1,005,416.20x = 1,508,124.30 × 887,318.20
  4. Step 4: Simplify right side
    1,005,416.20x = 1,338,186,139,252.26
  5. Step 5: Solve for x
    x = 1,338,186,139,252.26/1,005,416.20
  6. Step 6: Final answer
    x = 1,330,977.30

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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.