Home / 992,759.40-1,489,139.10-893,226.60

Finding the Fourth Proportional to 992,759.40, 1,489,139.10 and 893,226.60

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Solution

The fourth proportional to 992,759.40, 1,489,139.10 and 893,226.60 is: 1,339,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,759.40 : 1,489,139.10 = 893,226.60 : x
  2. Step 2: Convert to fraction form
    992,759.40/1,489,139.10 = 893,226.60/x
  3. Step 3: Cross multiply
    992,759.40x = 1,489,139.10 × 893,226.60
  4. Step 4: Simplify right side
    992,759.40x = 1,330,138,655,220.06
  5. Step 5: Solve for x
    x = 1,330,138,655,220.06/992,759.40
  6. Step 6: Final answer
    x = 1,339,839.90

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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.