Home / 1,652,938.10-2,480,865.15-978,175.70

Finding the Fourth Proportional to 1,652,938.10, 2,480,865.15 and 978,175.70

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Solution

The fourth proportional to 1,652,938.10, 2,480,865.15 and 978,175.70 is: 1,468,126.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652,938.10 : 2,480,865.15 = 978,175.70 : x
  2. Step 2: Convert to fraction form
    1,652,938.10/2,480,865.15 = 978,175.70/x
  3. Step 3: Cross multiply
    1,652,938.10x = 2,480,865.15 × 978,175.70
  4. Step 4: Simplify right side
    1,652,938.10x = 2,426,722,004,706.86
  5. Step 5: Solve for x
    x = 2,426,722,004,706.86/1,652,938.10
  6. Step 6: Final answer
    x = 1,468,126.37

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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.