Home / 887,561.55-1,331,342.33-878,230.35

Finding the Fourth Proportional to 887,561.55, 1,331,342.33 and 878,230.35

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Solution

The fourth proportional to 887,561.55, 1,331,342.33 and 878,230.35 is: 1,317,345.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,561.55 : 1,331,342.33 = 878,230.35 : x
  2. Step 2: Convert to fraction form
    887,561.55/1,331,342.33 = 878,230.35/x
  3. Step 3: Cross multiply
    887,561.55x = 1,331,342.33 × 878,230.35
  4. Step 4: Simplify right side
    887,561.55x = 1,169,225,236,054.56
  5. Step 5: Solve for x
    x = 1,169,225,236,054.56/887,561.55
  6. Step 6: Final answer
    x = 1,317,345.53

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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.