Home / 1,131,000.75-1,696,141.16-372,700.71

Finding the Fourth Proportional to 1,131,000.75, 1,696,141.16 and 372,700.71

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Solution

The fourth proportional to 1,131,000.75, 1,696,141.16 and 372,700.71 is: 558,932.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,000.75 : 1,696,141.16 = 372,700.71 : x
  2. Step 2: Convert to fraction form
    1,131,000.75/1,696,141.16 = 372,700.71/x
  3. Step 3: Cross multiply
    1,131,000.75x = 1,696,141.16 × 372,700.71
  4. Step 4: Simplify right side
    1,131,000.75x = 632,153,012,728.72
  5. Step 5: Solve for x
    x = 632,153,012,728.72/1,131,000.75
  6. Step 6: Final answer
    x = 558,932.44

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1.5x scale

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.