Home / 1,397,255.70-2,095,883.55-972,102.90

Finding the Fourth Proportional to 1,397,255.70, 2,095,883.55 and 972,102.90

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Solution

The fourth proportional to 1,397,255.70, 2,095,883.55 and 972,102.90 is: 1,458,154.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,255.70 : 2,095,883.55 = 972,102.90 : x
  2. Step 2: Convert to fraction form
    1,397,255.70/2,095,883.55 = 972,102.90/x
  3. Step 3: Cross multiply
    1,397,255.70x = 2,095,883.55 × 972,102.90
  4. Step 4: Simplify right side
    1,397,255.70x = 2,037,414,477,017.30
  5. Step 5: Solve for x
    x = 2,037,414,477,017.30/1,397,255.70
  6. Step 6: Final answer
    x = 1,458,154.35

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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.