Home / 1,351,621.26-1,865,223.13-731,412.85

Finding the Fourth Proportional to 1,351,621.26, 1,865,223.13 and 731,412.85

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Solution

The fourth proportional to 1,351,621.26, 1,865,223.13 and 731,412.85 is: 1,009,342.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,621.26 : 1,865,223.13 = 731,412.85 : x
  2. Step 2: Convert to fraction form
    1,351,621.26/1,865,223.13 = 731,412.85/x
  3. Step 3: Cross multiply
    1,351,621.26x = 1,865,223.13 × 731,412.85
  4. Step 4: Simplify right side
    1,351,621.26x = 1,364,248,165,399.22
  5. Step 5: Solve for x
    x = 1,364,248,165,399.22/1,351,621.26
  6. Step 6: Final answer
    x = 1,009,342.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.