Home / 1,426,269.40-2,139,404.11-864,122.92

Finding the Fourth Proportional to 1,426,269.40, 2,139,404.11 and 864,122.92

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Solution

The fourth proportional to 1,426,269.40, 2,139,404.11 and 864,122.92 is: 1,296,184.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,269.40 : 2,139,404.11 = 864,122.92 : x
  2. Step 2: Convert to fraction form
    1,426,269.40/2,139,404.11 = 864,122.92/x
  3. Step 3: Cross multiply
    1,426,269.40x = 2,139,404.11 × 864,122.92
  4. Step 4: Simplify right side
    1,426,269.40x = 1,848,708,119,084.38
  5. Step 5: Solve for x
    x = 1,848,708,119,084.38/1,426,269.40
  6. Step 6: Final answer
    x = 1,296,184.38

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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.