Home / 979,444.40-1,469,166.60-811,482.80

Finding the Fourth Proportional to 979,444.40, 1,469,166.60 and 811,482.80

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Solution

The fourth proportional to 979,444.40, 1,469,166.60 and 811,482.80 is: 1,217,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,444.40 : 1,469,166.60 = 811,482.80 : x
  2. Step 2: Convert to fraction form
    979,444.40/1,469,166.60 = 811,482.80/x
  3. Step 3: Cross multiply
    979,444.40x = 1,469,166.60 × 811,482.80
  4. Step 4: Simplify right side
    979,444.40x = 1,192,203,426,234.48
  5. Step 5: Solve for x
    x = 1,192,203,426,234.48/979,444.40
  6. Step 6: Final answer
    x = 1,217,224.20

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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.