Home / 1,580,452.65-2,181,024.86-855,300.56

Finding the Fourth Proportional to 1,580,452.65, 2,181,024.86 and 855,300.56

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Solution

The fourth proportional to 1,580,452.65, 2,181,024.86 and 855,300.56 is: 1,180,314.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,452.65 : 2,181,024.86 = 855,300.56 : x
  2. Step 2: Convert to fraction form
    1,580,452.65/2,181,024.86 = 855,300.56/x
  3. Step 3: Cross multiply
    1,580,452.65x = 2,181,024.86 × 855,300.56
  4. Step 4: Simplify right side
    1,580,452.65x = 1,865,431,768,950.29
  5. Step 5: Solve for x
    x = 1,865,431,768,950.29/1,580,452.65
  6. Step 6: Final answer
    x = 1,180,314.87

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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.