Home / 1,126,497.66-1,689,717.33-378,543.66

Finding the Fourth Proportional to 1,126,497.66, 1,689,717.33 and 378,543.66

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Solution

The fourth proportional to 1,126,497.66, 1,689,717.33 and 378,543.66 is: 567,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,497.66 : 1,689,717.33 = 378,543.66 : x
  2. Step 2: Convert to fraction form
    1,126,497.66/1,689,717.33 = 378,543.66/x
  3. Step 3: Cross multiply
    1,126,497.66x = 1,689,717.33 × 378,543.66
  4. Step 4: Simplify right side
    1,126,497.66x = 639,631,782,463.63
  5. Step 5: Solve for x
    x = 639,631,782,463.63/1,126,497.66
  6. Step 6: Final answer
    x = 567,805.69

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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.