Home / 1,397,331.70-2,095,997.55-972,178.90

Finding the Fourth Proportional to 1,397,331.70, 2,095,997.55 and 972,178.90

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Solution

The fourth proportional to 1,397,331.70, 2,095,997.55 and 972,178.90 is: 1,458,268.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,331.70 : 2,095,997.55 = 972,178.90 : x
  2. Step 2: Convert to fraction form
    1,397,331.70/2,095,997.55 = 972,178.90/x
  3. Step 3: Cross multiply
    1,397,331.70x = 2,095,997.55 × 972,178.90
  4. Step 4: Simplify right side
    1,397,331.70x = 2,037,684,592,561.70
  5. Step 5: Solve for x
    x = 2,037,684,592,561.70/1,397,331.70
  6. Step 6: Final answer
    x = 1,458,268.35

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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.