Home / 1,126,358.36-1,689,543.24-284,910.92

Finding the Fourth Proportional to 1,126,358.36, 1,689,543.24 and 284,910.92

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Solution

The fourth proportional to 1,126,358.36, 1,689,543.24 and 284,910.92 is: 427,367.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,358.36 : 1,689,543.24 = 284,910.92 : x
  2. Step 2: Convert to fraction form
    1,126,358.36/1,689,543.24 = 284,910.92/x
  3. Step 3: Cross multiply
    1,126,358.36x = 1,689,543.24 × 284,910.92
  4. Step 4: Simplify right side
    1,126,358.36x = 481,369,318,888.18
  5. Step 5: Solve for x
    x = 481,369,318,888.18/1,126,358.36
  6. Step 6: Final answer
    x = 427,367.82

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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.