Home / 1,265,739.77-1,897,840.78-496,315.63

Finding the Fourth Proportional to 1,265,739.77, 1,897,840.78 and 496,315.63

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Solution

The fourth proportional to 1,265,739.77, 1,897,840.78 and 496,315.63 is: 744,171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,739.77 : 1,897,840.78 = 496,315.63 : x
  2. Step 2: Convert to fraction form
    1,265,739.77/1,897,840.78 = 496,315.63/x
  3. Step 3: Cross multiply
    1,265,739.77x = 1,897,840.78 × 496,315.63
  4. Step 4: Simplify right side
    1,265,739.77x = 941,928,043,496.90
  5. Step 5: Solve for x
    x = 941,928,043,496.90/1,265,739.77
  6. Step 6: Final answer
    x = 744,171.96

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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.