Home / 987,078.60-1,480,617.90-834,863.40

Finding the Fourth Proportional to 987,078.60, 1,480,617.90 and 834,863.40

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Solution

The fourth proportional to 987,078.60, 1,480,617.90 and 834,863.40 is: 1,252,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,078.60 : 1,480,617.90 = 834,863.40 : x
  2. Step 2: Convert to fraction form
    987,078.60/1,480,617.90 = 834,863.40/x
  3. Step 3: Cross multiply
    987,078.60x = 1,480,617.90 × 834,863.40
  4. Step 4: Simplify right side
    987,078.60x = 1,236,113,694,094.86
  5. Step 5: Solve for x
    x = 1,236,113,694,094.86/987,078.60
  6. Step 6: Final answer
    x = 1,252,295.10

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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.