Home / 843,007.80-1,264,511.70-754,434.30

Finding the Fourth Proportional to 843,007.80, 1,264,511.70 and 754,434.30

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Solution

The fourth proportional to 843,007.80, 1,264,511.70 and 754,434.30 is: 1,131,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,007.80 : 1,264,511.70 = 754,434.30 : x
  2. Step 2: Convert to fraction form
    843,007.80/1,264,511.70 = 754,434.30/x
  3. Step 3: Cross multiply
    843,007.80x = 1,264,511.70 × 754,434.30
  4. Step 4: Simplify right side
    843,007.80x = 953,990,999,231.31
  5. Step 5: Solve for x
    x = 953,990,999,231.31/843,007.80
  6. Step 6: Final answer
    x = 1,131,651.45

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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.