Home / 1,580,895.43-2,181,636.99-855,740.90

Finding the Fourth Proportional to 1,580,895.43, 2,181,636.99 and 855,740.90

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Solution

The fourth proportional to 1,580,895.43, 2,181,636.99 and 855,740.90 is: 1,180,923.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,895.43 : 2,181,636.99 = 855,740.90 : x
  2. Step 2: Convert to fraction form
    1,580,895.43/2,181,636.99 = 855,740.90/x
  3. Step 3: Cross multiply
    1,580,895.43x = 2,181,636.99 × 855,740.90
  4. Step 4: Simplify right side
    1,580,895.43x = 1,866,916,006,749.98
  5. Step 5: Solve for x
    x = 1,866,916,006,749.98/1,580,895.43
  6. Step 6: Final answer
    x = 1,180,923.15

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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.