Home / 1,126,411.65-1,689,112.44-671,217.57

Finding the Fourth Proportional to 1,126,411.65, 1,689,112.44 and 671,217.57

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Solution

The fourth proportional to 1,126,411.65, 1,689,112.44 and 671,217.57 is: 1,006,525.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,411.65 : 1,689,112.44 = 671,217.57 : x
  2. Step 2: Convert to fraction form
    1,126,411.65/1,689,112.44 = 671,217.57/x
  3. Step 3: Cross multiply
    1,126,411.65x = 1,689,112.44 × 671,217.57
  4. Step 4: Simplify right side
    1,126,411.65x = 1,133,761,947,433.57
  5. Step 5: Solve for x
    x = 1,133,761,947,433.57/1,126,411.65
  6. Step 6: Final answer
    x = 1,006,525.41

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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.