Home / 1,253,931.84-1,730,438.64-680,983.20

Finding the Fourth Proportional to 1,253,931.84, 1,730,438.64 and 680,983.20

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Solution

The fourth proportional to 1,253,931.84, 1,730,438.64 and 680,983.20 is: 939,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,931.84 : 1,730,438.64 = 680,983.20 : x
  2. Step 2: Convert to fraction form
    1,253,931.84/1,730,438.64 = 680,983.20/x
  3. Step 3: Cross multiply
    1,253,931.84x = 1,730,438.64 × 680,983.20
  4. Step 4: Simplify right side
    1,253,931.84x = 1,178,399,642,470.85
  5. Step 5: Solve for x
    x = 1,178,399,642,470.85/1,253,931.84
  6. Step 6: Final answer
    x = 939,763.71

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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.