Home / 1,332,899.23-1,839,395.36-721,050.45

Finding the Fourth Proportional to 1,332,899.23, 1,839,395.36 and 721,050.45

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Solution

The fourth proportional to 1,332,899.23, 1,839,395.36 and 721,050.45 is: 995,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,899.23 : 1,839,395.36 = 721,050.45 : x
  2. Step 2: Convert to fraction form
    1,332,899.23/1,839,395.36 = 721,050.45/x
  3. Step 3: Cross multiply
    1,332,899.23x = 1,839,395.36 × 721,050.45
  4. Step 4: Simplify right side
    1,332,899.23x = 1,326,296,852,055.91
  5. Step 5: Solve for x
    x = 1,326,296,852,055.91/1,332,899.23
  6. Step 6: Final answer
    x = 995,046.60

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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.