Home / 1,240,436.75-1,711,988.01-757,282.41

Finding the Fourth Proportional to 1,240,436.75, 1,711,988.01 and 757,282.41

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Solution

The fourth proportional to 1,240,436.75, 1,711,988.01 and 757,282.41 is: 1,045,162.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,436.75 : 1,711,988.01 = 757,282.41 : x
  2. Step 2: Convert to fraction form
    1,240,436.75/1,711,988.01 = 757,282.41/x
  3. Step 3: Cross multiply
    1,240,436.75x = 1,711,988.01 × 757,282.41
  4. Step 4: Simplify right side
    1,240,436.75x = 1,296,458,406,103.90
  5. Step 5: Solve for x
    x = 1,296,458,406,103.90/1,240,436.75
  6. Step 6: Final answer
    x = 1,045,162.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.