Home / 1,134,975.40-1,566,255.78-625,677.78

Finding the Fourth Proportional to 1,134,975.40, 1,566,255.78 and 625,677.78

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Solution

The fourth proportional to 1,134,975.40, 1,566,255.78 and 625,677.78 is: 863,429.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,975.40 : 1,566,255.78 = 625,677.78 : x
  2. Step 2: Convert to fraction form
    1,134,975.40/1,566,255.78 = 625,677.78/x
  3. Step 3: Cross multiply
    1,134,975.40x = 1,566,255.78 × 625,677.78
  4. Step 4: Simplify right side
    1,134,975.40x = 979,971,439,342.57
  5. Step 5: Solve for x
    x = 979,971,439,342.57/1,134,975.40
  6. Step 6: Final answer
    x = 863,429.67

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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.