Home / 1,231,490.80-1,844,125.80-808,476.40

Finding the Fourth Proportional to 1,231,490.80, 1,844,125.80 and 808,476.40

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Solution

The fourth proportional to 1,231,490.80, 1,844,125.80 and 808,476.40 is: 1,210,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,490.80 : 1,844,125.80 = 808,476.40 : x
  2. Step 2: Convert to fraction form
    1,231,490.80/1,844,125.80 = 808,476.40/x
  3. Step 3: Cross multiply
    1,231,490.80x = 1,844,125.80 × 808,476.40
  4. Step 4: Simplify right side
    1,231,490.80x = 1,490,932,187,931.12
  5. Step 5: Solve for x
    x = 1,490,932,187,931.12/1,231,490.80
  6. Step 6: Final answer
    x = 1,210,672.62

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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.