Home / 1,331,639.27-1,836,426.98-847,699.91

Finding the Fourth Proportional to 1,331,639.27, 1,836,426.98 and 847,699.91

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Solution

The fourth proportional to 1,331,639.27, 1,836,426.98 and 847,699.91 is: 1,169,039.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,639.27 : 1,836,426.98 = 847,699.91 : x
  2. Step 2: Convert to fraction form
    1,331,639.27/1,836,426.98 = 847,699.91/x
  3. Step 3: Cross multiply
    1,331,639.27x = 1,836,426.98 × 847,699.91
  4. Step 4: Simplify right side
    1,331,639.27x = 1,556,738,981,429.07
  5. Step 5: Solve for x
    x = 1,556,738,981,429.07/1,331,639.27
  6. Step 6: Final answer
    x = 1,169,039.56

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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.