Home / 1,344,426.78-1,855,355.86-732,629.92

Finding the Fourth Proportional to 1,344,426.78, 1,855,355.86 and 732,629.92

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Solution

The fourth proportional to 1,344,426.78, 1,855,355.86 and 732,629.92 is: 1,011,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,426.78 : 1,855,355.86 = 732,629.92 : x
  2. Step 2: Convert to fraction form
    1,344,426.78/1,855,355.86 = 732,629.92/x
  3. Step 3: Cross multiply
    1,344,426.78x = 1,855,355.86 × 732,629.92
  4. Step 4: Simplify right side
    1,344,426.78x = 1,359,289,215,283.33
  5. Step 5: Solve for x
    x = 1,359,289,215,283.33/1,344,426.78
  6. Step 6: Final answer
    x = 1,011,054.85

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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.