Home / 1,515,438.74-2,091,301.18-836,370.38

Finding the Fourth Proportional to 1,515,438.74, 2,091,301.18 and 836,370.38

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Solution

The fourth proportional to 1,515,438.74, 2,091,301.18 and 836,370.38 is: 1,154,188.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,438.74 : 2,091,301.18 = 836,370.38 : x
  2. Step 2: Convert to fraction form
    1,515,438.74/2,091,301.18 = 836,370.38/x
  3. Step 3: Cross multiply
    1,515,438.74x = 2,091,301.18 × 836,370.38
  4. Step 4: Simplify right side
    1,515,438.74x = 1,749,102,350,063.62
  5. Step 5: Solve for x
    x = 1,749,102,350,063.62/1,515,438.74
  6. Step 6: Final answer
    x = 1,154,188.76

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1.5x scale

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.