Home / 1,580,335.65-2,180,868.93-855,183.29

Finding the Fourth Proportional to 1,580,335.65, 2,180,868.93 and 855,183.29

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Solution

The fourth proportional to 1,580,335.65, 2,180,868.93 and 855,183.29 is: 1,180,156.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,335.65 : 2,180,868.93 = 855,183.29 : x
  2. Step 2: Convert to fraction form
    1,580,335.65/2,180,868.93 = 855,183.29/x
  3. Step 3: Cross multiply
    1,580,335.65x = 2,180,868.93 × 855,183.29
  4. Step 4: Simplify right side
    1,580,335.65x = 1,865,042,655,711.84
  5. Step 5: Solve for x
    x = 1,865,042,655,711.84/1,580,335.65
  6. Step 6: Final answer
    x = 1,180,156.04

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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.