Home / 1,440,279.63-2,161,775.25-730,816.83

Finding the Fourth Proportional to 1,440,279.63, 2,161,775.25 and 730,816.83

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Solution

The fourth proportional to 1,440,279.63, 2,161,775.25 and 730,816.83 is: 1,096,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,279.63 : 2,161,775.25 = 730,816.83 : x
  2. Step 2: Convert to fraction form
    1,440,279.63/2,161,775.25 = 730,816.83/x
  3. Step 3: Cross multiply
    1,440,279.63x = 2,161,775.25 × 730,816.83
  4. Step 4: Simplify right side
    1,440,279.63x = 1,579,861,735,377.46
  5. Step 5: Solve for x
    x = 1,579,861,735,377.46/1,440,279.63
  6. Step 6: Final answer
    x = 1,096,913.20

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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.