Home / 1,231,429.80-1,844,034.30-808,415.40

Finding the Fourth Proportional to 1,231,429.80, 1,844,034.30 and 808,415.40

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Solution

The fourth proportional to 1,231,429.80, 1,844,034.30 and 808,415.40 is: 1,210,581.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,429.80 : 1,844,034.30 = 808,415.40 : x
  2. Step 2: Convert to fraction form
    1,231,429.80/1,844,034.30 = 808,415.40/x
  3. Step 3: Cross multiply
    1,231,429.80x = 1,844,034.30 × 808,415.40
  4. Step 4: Simplify right side
    1,231,429.80x = 1,490,745,726,248.22
  5. Step 5: Solve for x
    x = 1,490,745,726,248.22/1,231,429.80
  6. Step 6: Final answer
    x = 1,210,581.17

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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.