Home / 1,332,897.23-1,839,392.60-721,048.45

Finding the Fourth Proportional to 1,332,897.23, 1,839,392.60 and 721,048.45

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Solution

The fourth proportional to 1,332,897.23, 1,839,392.60 and 721,048.45 is: 995,043.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,897.23 : 1,839,392.60 = 721,048.45 : x
  2. Step 2: Convert to fraction form
    1,332,897.23/1,839,392.60 = 721,048.45/x
  3. Step 3: Cross multiply
    1,332,897.23x = 1,839,392.60 × 721,048.45
  4. Step 4: Simplify right side
    1,332,897.23x = 1,326,291,183,171.47
  5. Step 5: Solve for x
    x = 1,326,291,183,171.47/1,332,897.23
  6. Step 6: Final answer
    x = 995,043.84

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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.