Home / 1,243,146.23-1,864,534.79-344,494.26

Finding the Fourth Proportional to 1,243,146.23, 1,864,534.79 and 344,494.26

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Solution

The fourth proportional to 1,243,146.23, 1,864,534.79 and 344,494.26 is: 516,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,146.23 : 1,864,534.79 = 344,494.26 : x
  2. Step 2: Convert to fraction form
    1,243,146.23/1,864,534.79 = 344,494.26/x
  3. Step 3: Cross multiply
    1,243,146.23x = 1,864,534.79 × 344,494.26
  4. Step 4: Simplify right side
    1,243,146.23x = 642,321,531,002.83
  5. Step 5: Solve for x
    x = 642,321,531,002.83/1,243,146.23
  6. Step 6: Final answer
    x = 516,690.25

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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.