Home / 986,936.40-1,480,404.60-632,642.40

Finding the Fourth Proportional to 986,936.40, 1,480,404.60 and 632,642.40

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Solution

The fourth proportional to 986,936.40, 1,480,404.60 and 632,642.40 is: 948,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,936.40 : 1,480,404.60 = 632,642.40 : x
  2. Step 2: Convert to fraction form
    986,936.40/1,480,404.60 = 632,642.40/x
  3. Step 3: Cross multiply
    986,936.40x = 1,480,404.60 × 632,642.40
  4. Step 4: Simplify right side
    986,936.40x = 936,566,719,115.04
  5. Step 5: Solve for x
    x = 936,566,719,115.04/986,936.40
  6. Step 6: Final answer
    x = 948,963.60

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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.