Home / 1,011,255.21-1,517,101.56-301,340.43

Finding the Fourth Proportional to 1,011,255.21, 1,517,101.56 and 301,340.43

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Solution

The fourth proportional to 1,011,255.21, 1,517,101.56 and 301,340.43 is: 452,075.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,255.21 : 1,517,101.56 = 301,340.43 : x
  2. Step 2: Convert to fraction form
    1,011,255.21/1,517,101.56 = 301,340.43/x
  3. Step 3: Cross multiply
    1,011,255.21x = 1,517,101.56 × 301,340.43
  4. Step 4: Simplify right side
    1,011,255.21x = 457,164,036,444.07
  5. Step 5: Solve for x
    x = 457,164,036,444.07/1,011,255.21
  6. Step 6: Final answer
    x = 452,075.83

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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.