Home / 887,245.08-1,329,609.54-686,631.60

Finding the Fourth Proportional to 887,245.08, 1,329,609.54 and 686,631.60

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Solution

The fourth proportional to 887,245.08, 1,329,609.54 and 686,631.60 is: 1,028,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,245.08 : 1,329,609.54 = 686,631.60 : x
  2. Step 2: Convert to fraction form
    887,245.08/1,329,609.54 = 686,631.60/x
  3. Step 3: Cross multiply
    887,245.08x = 1,329,609.54 × 686,631.60
  4. Step 4: Simplify right side
    887,245.08x = 912,951,925,825.46
  5. Step 5: Solve for x
    x = 912,951,925,825.46/887,245.08
  6. Step 6: Final answer
    x = 1,028,973.78

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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.