Home / 987,079.60-1,480,619.40-834,864.40

Finding the Fourth Proportional to 987,079.60, 1,480,619.40 and 834,864.40

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Solution

The fourth proportional to 987,079.60, 1,480,619.40 and 834,864.40 is: 1,252,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,079.60 : 1,480,619.40 = 834,864.40 : x
  2. Step 2: Convert to fraction form
    987,079.60/1,480,619.40 = 834,864.40/x
  3. Step 3: Cross multiply
    987,079.60x = 1,480,619.40 × 834,864.40
  4. Step 4: Simplify right side
    987,079.60x = 1,236,116,427,009.36
  5. Step 5: Solve for x
    x = 1,236,116,427,009.36/987,079.60
  6. Step 6: Final answer
    x = 1,252,296.60

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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.