Home / 1,412,641-2,105,654.01-1,299,266.92

Finding the Fourth Proportional to 1,412,641, 2,105,654.01 and 1,299,266.92

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Solution

The fourth proportional to 1,412,641, 2,105,654.01 and 1,299,266.92 is: 1,936,660.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,641 : 2,105,654.01 = 1,299,266.92 : x
  2. Step 2: Convert to fraction form
    1,412,641/2,105,654.01 = 1,299,266.92/x
  3. Step 3: Cross multiply
    1,412,641x = 2,105,654.01 × 1,299,266.92
  4. Step 4: Simplify right side
    1,412,641x = 2,735,806,600,158.35
  5. Step 5: Solve for x
    x = 2,735,806,600,158.35/1,412,641
  6. Step 6: Final answer
    x = 1,936,660.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.