Home / 1,031,143.85-1,423,620.39-966,803.50

Finding the Fourth Proportional to 1,031,143.85, 1,423,620.39 and 966,803.50

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Solution

The fourth proportional to 1,031,143.85, 1,423,620.39 and 966,803.50 is: 1,334,790.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,143.85 : 1,423,620.39 = 966,803.50 : x
  2. Step 2: Convert to fraction form
    1,031,143.85/1,423,620.39 = 966,803.50/x
  3. Step 3: Cross multiply
    1,031,143.85x = 1,423,620.39 × 966,803.50
  4. Step 4: Simplify right side
    1,031,143.85x = 1,376,361,177,030.94
  5. Step 5: Solve for x
    x = 1,376,361,177,030.94/1,031,143.85
  6. Step 6: Final answer
    x = 1,334,790.66

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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.