Home / 1,720,342.72-2,374,153.96-956,409.04

Finding the Fourth Proportional to 1,720,342.72, 2,374,153.96 and 956,409.04

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Solution

The fourth proportional to 1,720,342.72, 2,374,153.96 and 956,409.04 is: 1,319,889.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,342.72 : 2,374,153.96 = 956,409.04 : x
  2. Step 2: Convert to fraction form
    1,720,342.72/2,374,153.96 = 956,409.04/x
  3. Step 3: Cross multiply
    1,720,342.72x = 2,374,153.96 × 956,409.04
  4. Step 4: Simplify right side
    1,720,342.72x = 2,270,662,309,695.80
  5. Step 5: Solve for x
    x = 2,270,662,309,695.80/1,720,342.72
  6. Step 6: Final answer
    x = 1,319,889.51

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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.