Home / 1,375,315.74-2,061,904.41-655,288.38

Finding the Fourth Proportional to 1,375,315.74, 2,061,904.41 and 655,288.38

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Solution

The fourth proportional to 1,375,315.74, 2,061,904.41 and 655,288.38 is: 982,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,315.74 : 2,061,904.41 = 655,288.38 : x
  2. Step 2: Convert to fraction form
    1,375,315.74/2,061,904.41 = 655,288.38/x
  3. Step 3: Cross multiply
    1,375,315.74x = 2,061,904.41 × 655,288.38
  4. Step 4: Simplify right side
    1,375,315.74x = 1,351,142,000,543.76
  5. Step 5: Solve for x
    x = 1,351,142,000,543.76/1,375,315.74
  6. Step 6: Final answer
    x = 982,423.13

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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.