Home / 977,111.70-1,465,667.55-725,169.30

Finding the Fourth Proportional to 977,111.70, 1,465,667.55 and 725,169.30

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Solution

The fourth proportional to 977,111.70, 1,465,667.55 and 725,169.30 is: 1,087,753.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,111.70 : 1,465,667.55 = 725,169.30 : x
  2. Step 2: Convert to fraction form
    977,111.70/1,465,667.55 = 725,169.30/x
  3. Step 3: Cross multiply
    977,111.70x = 1,465,667.55 × 725,169.30
  4. Step 4: Simplify right side
    977,111.70x = 1,062,857,111,266.22
  5. Step 5: Solve for x
    x = 1,062,857,111,266.22/977,111.70
  6. Step 6: Final answer
    x = 1,087,753.95

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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.