Home / 1,339,939.40-2,006,409.90-864,048.20

Finding the Fourth Proportional to 1,339,939.40, 2,006,409.90 and 864,048.20

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Solution

The fourth proportional to 1,339,939.40, 2,006,409.90 and 864,048.20 is: 1,293,815.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,939.40 : 2,006,409.90 = 864,048.20 : x
  2. Step 2: Convert to fraction form
    1,339,939.40/2,006,409.90 = 864,048.20/x
  3. Step 3: Cross multiply
    1,339,939.40x = 2,006,409.90 × 864,048.20
  4. Step 4: Simplify right side
    1,339,939.40x = 1,733,634,862,557.18
  5. Step 5: Solve for x
    x = 1,733,634,862,557.18/1,339,939.40
  6. Step 6: Final answer
    x = 1,293,815.87

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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.