Home / 887,591.10-1,331,386.65-739,968.60

Finding the Fourth Proportional to 887,591.10, 1,331,386.65 and 739,968.60

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Solution

The fourth proportional to 887,591.10, 1,331,386.65 and 739,968.60 is: 1,109,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,591.10 : 1,331,386.65 = 739,968.60 : x
  2. Step 2: Convert to fraction form
    887,591.10/1,331,386.65 = 739,968.60/x
  3. Step 3: Cross multiply
    887,591.10x = 1,331,386.65 × 739,968.60
  4. Step 4: Simplify right side
    887,591.10x = 985,184,315,459.19
  5. Step 5: Solve for x
    x = 985,184,315,459.19/887,591.10
  6. Step 6: Final answer
    x = 1,109,952.90

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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.