Home / 1,687,265.68-2,328,426.76-923,319.28

Finding the Fourth Proportional to 1,687,265.68, 2,328,426.76 and 923,319.28

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Solution

The fourth proportional to 1,687,265.68, 2,328,426.76 and 923,319.28 is: 1,274,180.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,265.68 : 2,328,426.76 = 923,319.28 : x
  2. Step 2: Convert to fraction form
    1,687,265.68/2,328,426.76 = 923,319.28/x
  3. Step 3: Cross multiply
    1,687,265.68x = 2,328,426.76 × 923,319.28
  4. Step 4: Simplify right side
    1,687,265.68x = 2,149,881,319,575.93
  5. Step 5: Solve for x
    x = 2,149,881,319,575.93/1,687,265.68
  6. Step 6: Final answer
    x = 1,274,180.67

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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.