Home / 1,243,146.48-1,864,535.17-344,494.51

Finding the Fourth Proportional to 1,243,146.48, 1,864,535.17 and 344,494.51

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Solution

The fourth proportional to 1,243,146.48, 1,864,535.17 and 344,494.51 is: 516,690.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,146.48 : 1,864,535.17 = 344,494.51 : x
  2. Step 2: Convert to fraction form
    1,243,146.48/1,864,535.17 = 344,494.51/x
  3. Step 3: Cross multiply
    1,243,146.48x = 1,864,535.17 × 344,494.51
  4. Step 4: Simplify right side
    1,243,146.48x = 642,322,129,766.92
  5. Step 5: Solve for x
    x = 642,322,129,766.92/1,243,146.48
  6. Step 6: Final answer
    x = 516,690.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.