Home / 1,479,925.89-2,218,989.91-580,289.79

Finding the Fourth Proportional to 1,479,925.89, 2,218,989.91 and 580,289.79

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Solution

The fourth proportional to 1,479,925.89, 2,218,989.91 and 580,289.79 is: 870,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,925.89 : 2,218,989.91 = 580,289.79 : x
  2. Step 2: Convert to fraction form
    1,479,925.89/2,218,989.91 = 580,289.79/x
  3. Step 3: Cross multiply
    1,479,925.89x = 2,218,989.91 × 580,289.79
  4. Step 4: Simplify right side
    1,479,925.89x = 1,287,657,188,886.02
  5. Step 5: Solve for x
    x = 1,287,657,188,886.02/1,479,925.89
  6. Step 6: Final answer
    x = 870,082.21

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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.