Home / 1,273,436.34-1,909,497.20-374,761.38

Finding the Fourth Proportional to 1,273,436.34, 1,909,497.20 and 374,761.38

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Solution

The fourth proportional to 1,273,436.34, 1,909,497.20 and 374,761.38 is: 561,948.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,436.34 : 1,909,497.20 = 374,761.38 : x
  2. Step 2: Convert to fraction form
    1,273,436.34/1,909,497.20 = 374,761.38/x
  3. Step 3: Cross multiply
    1,273,436.34x = 1,909,497.20 × 374,761.38
  4. Step 4: Simplify right side
    1,273,436.34x = 715,605,805,778.14
  5. Step 5: Solve for x
    x = 715,605,805,778.14/1,273,436.34
  6. Step 6: Final answer
    x = 561,948.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.