Home / 1,580,288.32-2,180,803.66-855,136.04

Finding the Fourth Proportional to 1,580,288.32, 2,180,803.66 and 855,136.04

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Solution

The fourth proportional to 1,580,288.32, 2,180,803.66 and 855,136.04 is: 1,180,090.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,288.32 : 2,180,803.66 = 855,136.04 : x
  2. Step 2: Convert to fraction form
    1,580,288.32/2,180,803.66 = 855,136.04/x
  3. Step 3: Cross multiply
    1,580,288.32x = 2,180,803.66 × 855,136.04
  4. Step 4: Simplify right side
    1,580,288.32x = 1,864,883,805,829.91
  5. Step 5: Solve for x
    x = 1,864,883,805,829.91/1,580,288.32
  6. Step 6: Final answer
    x = 1,180,090.86

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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.