Home / 1,020,119.67-1,408,144.10-876,302.55

Finding the Fourth Proportional to 1,020,119.67, 1,408,144.10 and 876,302.55

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Solution

The fourth proportional to 1,020,119.67, 1,408,144.10 and 876,302.55 is: 1,209,623.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,119.67 : 1,408,144.10 = 876,302.55 : x
  2. Step 2: Convert to fraction form
    1,020,119.67/1,408,144.10 = 876,302.55/x
  3. Step 3: Cross multiply
    1,020,119.67x = 1,408,144.10 × 876,302.55
  4. Step 4: Simplify right side
    1,020,119.67x = 1,233,960,261,215.94
  5. Step 5: Solve for x
    x = 1,233,960,261,215.94/1,020,119.67
  6. Step 6: Final answer
    x = 1,209,623.04

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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.