Home / 1,307,160.86-1,803,936.21-726,381.82

Finding the Fourth Proportional to 1,307,160.86, 1,803,936.21 and 726,381.82

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Solution

The fourth proportional to 1,307,160.86, 1,803,936.21 and 726,381.82 is: 1,002,437.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,160.86 : 1,803,936.21 = 726,381.82 : x
  2. Step 2: Convert to fraction form
    1,307,160.86/1,803,936.21 = 726,381.82/x
  3. Step 3: Cross multiply
    1,307,160.86x = 1,803,936.21 × 726,381.82
  4. Step 4: Simplify right side
    1,307,160.86x = 1,310,346,460,853.45
  5. Step 5: Solve for x
    x = 1,310,346,460,853.45/1,307,160.86
  6. Step 6: Final answer
    x = 1,002,437.04

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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.