Home / 1,543,020.50-2,128,876.22-999,572.88

Finding the Fourth Proportional to 1,543,020.50, 2,128,876.22 and 999,572.88

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Solution

The fourth proportional to 1,543,020.50, 2,128,876.22 and 999,572.88 is: 1,379,091.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,020.50 : 2,128,876.22 = 999,572.88 : x
  2. Step 2: Convert to fraction form
    1,543,020.50/2,128,876.22 = 999,572.88/x
  3. Step 3: Cross multiply
    1,543,020.50x = 2,128,876.22 × 999,572.88
  4. Step 4: Simplify right side
    1,543,020.50x = 2,127,966,934,388.91
  5. Step 5: Solve for x
    x = 2,127,966,934,388.91/1,543,020.50
  6. Step 6: Final answer
    x = 1,379,091.81

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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.