Home / 1,332,937.09-1,839,445.61-721,088.07

Finding the Fourth Proportional to 1,332,937.09, 1,839,445.61 and 721,088.07

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Solution

The fourth proportional to 1,332,937.09, 1,839,445.61 and 721,088.07 is: 995,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,937.09 : 1,839,445.61 = 721,088.07 : x
  2. Step 2: Convert to fraction form
    1,332,937.09/1,839,445.61 = 721,088.07/x
  3. Step 3: Cross multiply
    1,332,937.09x = 1,839,445.61 × 721,088.07
  4. Step 4: Simplify right side
    1,332,937.09x = 1,326,402,284,628.39
  5. Step 5: Solve for x
    x = 1,326,402,284,628.39/1,332,937.09
  6. Step 6: Final answer
    x = 995,097.44

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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.