Home / 1,397,881.13-2,094,081.35-724,404.20

Finding the Fourth Proportional to 1,397,881.13, 2,094,081.35 and 724,404.20

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Solution

The fourth proportional to 1,397,881.13, 2,094,081.35 and 724,404.20 is: 1,085,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,881.13 : 2,094,081.35 = 724,404.20 : x
  2. Step 2: Convert to fraction form
    1,397,881.13/2,094,081.35 = 724,404.20/x
  3. Step 3: Cross multiply
    1,397,881.13x = 2,094,081.35 × 724,404.20
  4. Step 4: Simplify right side
    1,397,881.13x = 1,516,961,310,989.24
  5. Step 5: Solve for x
    x = 1,516,961,310,989.24/1,397,881.13
  6. Step 6: Final answer
    x = 1,085,186.20

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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.