Home / 1,580,270.90-2,180,758.65-855,102.74

Finding the Fourth Proportional to 1,580,270.90, 2,180,758.65 and 855,102.74

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Solution

The fourth proportional to 1,580,270.90, 2,180,758.65 and 855,102.74 is: 1,180,033.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,270.90 : 2,180,758.65 = 855,102.74 : x
  2. Step 2: Convert to fraction form
    1,580,270.90/2,180,758.65 = 855,102.74/x
  3. Step 3: Cross multiply
    1,580,270.90x = 2,180,758.65 × 855,102.74
  4. Step 4: Simplify right side
    1,580,270.90x = 1,864,772,696,893.70
  5. Step 5: Solve for x
    x = 1,864,772,696,893.70/1,580,270.90
  6. Step 6: Final answer
    x = 1,180,033.56

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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.