Home / 1,206,904.20-1,811,376.90-497,441.40

Finding the Fourth Proportional to 1,206,904.20, 1,811,376.90 and 497,441.40

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Solution

The fourth proportional to 1,206,904.20, 1,811,376.90 and 497,441.40 is: 746,582.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,904.20 : 1,811,376.90 = 497,441.40 : x
  2. Step 2: Convert to fraction form
    1,206,904.20/1,811,376.90 = 497,441.40/x
  3. Step 3: Cross multiply
    1,206,904.20x = 1,811,376.90 × 497,441.40
  4. Step 4: Simplify right side
    1,206,904.20x = 901,053,861,063.66
  5. Step 5: Solve for x
    x = 901,053,861,063.66/1,206,904.20
  6. Step 6: Final answer
    x = 746,582.75

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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.