Home / 1,332,193.86-1,838,426.22-720,345.16

Finding the Fourth Proportional to 1,332,193.86, 1,838,426.22 and 720,345.16

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Solution

The fourth proportional to 1,332,193.86, 1,838,426.22 and 720,345.16 is: 994,075.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,193.86 : 1,838,426.22 = 720,345.16 : x
  2. Step 2: Convert to fraction form
    1,332,193.86/1,838,426.22 = 720,345.16/x
  3. Step 3: Cross multiply
    1,332,193.86x = 1,838,426.22 × 720,345.16
  4. Step 4: Simplify right side
    1,332,193.86x = 1,324,301,420,401.96
  5. Step 5: Solve for x
    x = 1,324,301,420,401.96/1,332,193.86
  6. Step 6: Final answer
    x = 994,075.61

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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.