Home / 1,206,908.20-1,811,382.90-497,445.40

Finding the Fourth Proportional to 1,206,908.20, 1,811,382.90 and 497,445.40

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Solution

The fourth proportional to 1,206,908.20, 1,811,382.90 and 497,445.40 is: 746,588.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,908.20 : 1,811,382.90 = 497,445.40 : x
  2. Step 2: Convert to fraction form
    1,206,908.20/1,811,382.90 = 497,445.40/x
  3. Step 3: Cross multiply
    1,206,908.20x = 1,811,382.90 × 497,445.40
  4. Step 4: Simplify right side
    1,206,908.20x = 901,064,091,243.66
  5. Step 5: Solve for x
    x = 901,064,091,243.66/1,206,908.20
  6. Step 6: Final answer
    x = 746,588.76

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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.