Home / 1,629,079.86-2,443,736.70-430,988.01

Finding the Fourth Proportional to 1,629,079.86, 2,443,736.70 and 430,988.01

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Solution

The fourth proportional to 1,629,079.86, 2,443,736.70 and 430,988.01 is: 646,512.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,079.86 : 2,443,736.70 = 430,988.01 : x
  2. Step 2: Convert to fraction form
    1,629,079.86/2,443,736.70 = 430,988.01/x
  3. Step 3: Cross multiply
    1,629,079.86x = 2,443,736.70 × 430,988.01
  4. Step 4: Simplify right side
    1,629,079.86x = 1,053,221,217,296.97
  5. Step 5: Solve for x
    x = 1,053,221,217,296.97/1,629,079.86
  6. Step 6: Final answer
    x = 646,512.94

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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.