Home / 1,309,934.32-1,807,612.68-736,864.18

Finding the Fourth Proportional to 1,309,934.32, 1,807,612.68 and 736,864.18

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Solution

The fourth proportional to 1,309,934.32, 1,807,612.68 and 736,864.18 is: 1,016,818.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,934.32 : 1,807,612.68 = 736,864.18 : x
  2. Step 2: Convert to fraction form
    1,309,934.32/1,807,612.68 = 736,864.18/x
  3. Step 3: Cross multiply
    1,309,934.32x = 1,807,612.68 × 736,864.18
  4. Step 4: Simplify right side
    1,309,934.32x = 1,331,965,035,205.80
  5. Step 5: Solve for x
    x = 1,331,965,035,205.80/1,309,934.32
  6. Step 6: Final answer
    x = 1,016,818.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.