Home / 1,374,937.70-2,062,406.55-1,281,625.70

Finding the Fourth Proportional to 1,374,937.70, 2,062,406.55 and 1,281,625.70

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Solution

The fourth proportional to 1,374,937.70, 2,062,406.55 and 1,281,625.70 is: 1,922,438.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,937.70 : 2,062,406.55 = 1,281,625.70 : x
  2. Step 2: Convert to fraction form
    1,374,937.70/2,062,406.55 = 1,281,625.70/x
  3. Step 3: Cross multiply
    1,374,937.70x = 2,062,406.55 × 1,281,625.70
  4. Step 4: Simplify right side
    1,374,937.70x = 2,643,233,238,328.34
  5. Step 5: Solve for x
    x = 2,643,233,238,328.34/1,374,937.70
  6. Step 6: Final answer
    x = 1,922,438.55

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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.