Home / 1,338,534.74-2,011,507.59-1,306,087.61

Finding the Fourth Proportional to 1,338,534.74, 2,011,507.59 and 1,306,087.61

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Solution

The fourth proportional to 1,338,534.74, 2,011,507.59 and 1,306,087.61 is: 1,962,747.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,534.74 : 2,011,507.59 = 1,306,087.61 : x
  2. Step 2: Convert to fraction form
    1,338,534.74/2,011,507.59 = 1,306,087.61/x
  3. Step 3: Cross multiply
    1,338,534.74x = 2,011,507.59 × 1,306,087.61
  4. Step 4: Simplify right side
    1,338,534.74x = 2,627,205,130,662.42
  5. Step 5: Solve for x
    x = 2,627,205,130,662.42/1,338,534.74
  6. Step 6: Final answer
    x = 1,962,747.07

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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.