Home / 1,580,370.10-2,180,910.69-855,217.81

Finding the Fourth Proportional to 1,580,370.10, 2,180,910.69 and 855,217.81

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Solution

The fourth proportional to 1,580,370.10, 2,180,910.69 and 855,217.81 is: 1,180,200.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,370.10 : 2,180,910.69 = 855,217.81 : x
  2. Step 2: Convert to fraction form
    1,580,370.10/2,180,910.69 = 855,217.81/x
  3. Step 3: Cross multiply
    1,580,370.10x = 2,180,910.69 × 855,217.81
  4. Step 4: Simplify right side
    1,580,370.10x = 1,865,153,658,655.11
  5. Step 5: Solve for x
    x = 1,865,153,658,655.11/1,580,370.10
  6. Step 6: Final answer
    x = 1,180,200.55

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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.