Home / 1,428,830.76-1,971,715.02-848,079.12

Finding the Fourth Proportional to 1,428,830.76, 1,971,715.02 and 848,079.12

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Solution

The fourth proportional to 1,428,830.76, 1,971,715.02 and 848,079.12 is: 1,170,306.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,830.76 : 1,971,715.02 = 848,079.12 : x
  2. Step 2: Convert to fraction form
    1,428,830.76/1,971,715.02 = 848,079.12/x
  3. Step 3: Cross multiply
    1,428,830.76x = 1,971,715.02 × 848,079.12
  4. Step 4: Simplify right side
    1,428,830.76x = 1,672,170,339,052.38
  5. Step 5: Solve for x
    x = 1,672,170,339,052.38/1,428,830.76
  6. Step 6: Final answer
    x = 1,170,306.79

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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.