Home / 1,543,006.80-2,314,879.74-643,948.43

Finding the Fourth Proportional to 1,543,006.80, 2,314,879.74 and 643,948.43

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Solution

The fourth proportional to 1,543,006.80, 2,314,879.74 and 643,948.43 is: 966,076.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,006.80 : 2,314,879.74 = 643,948.43 : x
  2. Step 2: Convert to fraction form
    1,543,006.80/2,314,879.74 = 643,948.43/x
  3. Step 3: Cross multiply
    1,543,006.80x = 2,314,879.74 × 643,948.43
  4. Step 4: Simplify right side
    1,543,006.80x = 1,490,663,162,637.41
  5. Step 5: Solve for x
    x = 1,490,663,162,637.41/1,543,006.80
  6. Step 6: Final answer
    x = 966,076.86

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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.