Home / 1,342,222.77-1,852,347.15-769,299.96

Finding the Fourth Proportional to 1,342,222.77, 1,852,347.15 and 769,299.96

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Solution

The fourth proportional to 1,342,222.77, 1,852,347.15 and 769,299.96 is: 1,061,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,222.77 : 1,852,347.15 = 769,299.96 : x
  2. Step 2: Convert to fraction form
    1,342,222.77/1,852,347.15 = 769,299.96/x
  3. Step 3: Cross multiply
    1,342,222.77x = 1,852,347.15 × 769,299.96
  4. Step 4: Simplify right side
    1,342,222.77x = 1,425,010,588,401.11
  5. Step 5: Solve for x
    x = 1,425,010,588,401.11/1,342,222.77
  6. Step 6: Final answer
    x = 1,061,679.64

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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.