Home / 1,332,574.57-1,838,947.13-720,727.91

Finding the Fourth Proportional to 1,332,574.57, 1,838,947.13 and 720,727.91

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Solution

The fourth proportional to 1,332,574.57, 1,838,947.13 and 720,727.91 is: 994,601.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,574.57 : 1,838,947.13 = 720,727.91 : x
  2. Step 2: Convert to fraction form
    1,332,574.57/1,838,947.13 = 720,727.91/x
  3. Step 3: Cross multiply
    1,332,574.57x = 1,838,947.13 × 720,727.91
  4. Step 4: Simplify right side
    1,332,574.57x = 1,325,380,521,605.40
  5. Step 5: Solve for x
    x = 1,325,380,521,605.40/1,332,574.57
  6. Step 6: Final answer
    x = 994,601.39

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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.