Home / 1,580,176.77-2,180,627.58-855,008.49

Finding the Fourth Proportional to 1,580,176.77, 2,180,627.58 and 855,008.49

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Solution

The fourth proportional to 1,580,176.77, 2,180,627.58 and 855,008.49 is: 1,179,902.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,176.77 : 2,180,627.58 = 855,008.49 : x
  2. Step 2: Convert to fraction form
    1,580,176.77/2,180,627.58 = 855,008.49/x
  3. Step 3: Cross multiply
    1,580,176.77x = 2,180,627.58 × 855,008.49
  4. Step 4: Simplify right side
    1,580,176.77x = 1,864,455,094,428.15
  5. Step 5: Solve for x
    x = 1,864,455,094,428.15/1,580,176.77
  6. Step 6: Final answer
    x = 1,179,902.86

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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.