Home / 1,101,217.65-1,652,428.31-427,325.46

Finding the Fourth Proportional to 1,101,217.65, 1,652,428.31 and 427,325.46

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Solution

The fourth proportional to 1,101,217.65, 1,652,428.31 and 427,325.46 is: 641,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,217.65 : 1,652,428.31 = 427,325.46 : x
  2. Step 2: Convert to fraction form
    1,101,217.65/1,652,428.31 = 427,325.46/x
  3. Step 3: Cross multiply
    1,101,217.65x = 1,652,428.31 × 427,325.46
  4. Step 4: Simplify right side
    1,101,217.65x = 706,124,685,551.15
  5. Step 5: Solve for x
    x = 706,124,685,551.15/1,101,217.65
  6. Step 6: Final answer
    x = 641,221.73

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1.5x scale

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.