Home / 1,053,490.80-1,579,847.40-520,834.80

Finding the Fourth Proportional to 1,053,490.80, 1,579,847.40 and 520,834.80

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Solution

The fourth proportional to 1,053,490.80, 1,579,847.40 and 520,834.80 is: 781,059.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,490.80 : 1,579,847.40 = 520,834.80 : x
  2. Step 2: Convert to fraction form
    1,053,490.80/1,579,847.40 = 520,834.80/x
  3. Step 3: Cross multiply
    1,053,490.80x = 1,579,847.40 × 520,834.80
  4. Step 4: Simplify right side
    1,053,490.80x = 822,839,504,609.52
  5. Step 5: Solve for x
    x = 822,839,504,609.52/1,053,490.80
  6. Step 6: Final answer
    x = 781,059.98

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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.