Home / 1,438,222.19-2,156,772.60-539,173.37

Finding the Fourth Proportional to 1,438,222.19, 2,156,772.60 and 539,173.37

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Solution

The fourth proportional to 1,438,222.19, 2,156,772.60 and 539,173.37 is: 808,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,222.19 : 2,156,772.60 = 539,173.37 : x
  2. Step 2: Convert to fraction form
    1,438,222.19/2,156,772.60 = 539,173.37/x
  3. Step 3: Cross multiply
    1,438,222.19x = 2,156,772.60 × 539,173.37
  4. Step 4: Simplify right side
    1,438,222.19x = 1,162,874,340,281.80
  5. Step 5: Solve for x
    x = 1,162,874,340,281.80/1,438,222.19
  6. Step 6: Final answer
    x = 808,549.86

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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.