Home / 1,015,725.23-1,401,691.88-556,831.46

Finding the Fourth Proportional to 1,015,725.23, 1,401,691.88 and 556,831.46

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Solution

The fourth proportional to 1,015,725.23, 1,401,691.88 and 556,831.46 is: 768,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,725.23 : 1,401,691.88 = 556,831.46 : x
  2. Step 2: Convert to fraction form
    1,015,725.23/1,401,691.88 = 556,831.46/x
  3. Step 3: Cross multiply
    1,015,725.23x = 1,401,691.88 × 556,831.46
  4. Step 4: Simplify right side
    1,015,725.23x = 780,506,126,217.93
  5. Step 5: Solve for x
    x = 780,506,126,217.93/1,015,725.23
  6. Step 6: Final answer
    x = 768,422.51

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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.