Home / 1,301,143.29-1,795,516.53-712,432.05

Finding the Fourth Proportional to 1,301,143.29, 1,795,516.53 and 712,432.05

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Solution

The fourth proportional to 1,301,143.29, 1,795,516.53 and 712,432.05 is: 983,122.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,143.29 : 1,795,516.53 = 712,432.05 : x
  2. Step 2: Convert to fraction form
    1,301,143.29/1,795,516.53 = 712,432.05/x
  3. Step 3: Cross multiply
    1,301,143.29x = 1,795,516.53 × 712,432.05
  4. Step 4: Simplify right side
    1,301,143.29x = 1,279,183,522,276.79
  5. Step 5: Solve for x
    x = 1,279,183,522,276.79/1,301,143.29
  6. Step 6: Final answer
    x = 983,122.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.