Home / 1,013,472.40-1,520,208.60-930,803.80

Finding the Fourth Proportional to 1,013,472.40, 1,520,208.60 and 930,803.80

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Solution

The fourth proportional to 1,013,472.40, 1,520,208.60 and 930,803.80 is: 1,396,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,472.40 : 1,520,208.60 = 930,803.80 : x
  2. Step 2: Convert to fraction form
    1,013,472.40/1,520,208.60 = 930,803.80/x
  3. Step 3: Cross multiply
    1,013,472.40x = 1,520,208.60 × 930,803.80
  4. Step 4: Simplify right side
    1,013,472.40x = 1,415,015,941,672.68
  5. Step 5: Solve for x
    x = 1,415,015,941,672.68/1,013,472.40
  6. Step 6: Final answer
    x = 1,396,205.70

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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.