Home / 1,759,188.90-2,427,561.78-974,198.40

Finding the Fourth Proportional to 1,759,188.90, 2,427,561.78 and 974,198.40

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Solution

The fourth proportional to 1,759,188.90, 2,427,561.78 and 974,198.40 is: 1,344,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,188.90 : 2,427,561.78 = 974,198.40 : x
  2. Step 2: Convert to fraction form
    1,759,188.90/2,427,561.78 = 974,198.40/x
  3. Step 3: Cross multiply
    1,759,188.90x = 2,427,561.78 × 974,198.40
  4. Step 4: Simplify right side
    1,759,188.90x = 2,364,926,801,977.15
  5. Step 5: Solve for x
    x = 2,364,926,801,977.15/1,759,188.90
  6. Step 6: Final answer
    x = 1,344,327.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.