Home / 1,332,905.47-1,839,403.95-721,056.70

Finding the Fourth Proportional to 1,332,905.47, 1,839,403.95 and 721,056.70

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Solution

The fourth proportional to 1,332,905.47, 1,839,403.95 and 721,056.70 is: 995,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,905.47 : 1,839,403.95 = 721,056.70 : x
  2. Step 2: Convert to fraction form
    1,332,905.47/1,839,403.95 = 721,056.70/x
  3. Step 3: Cross multiply
    1,332,905.47x = 1,839,403.95 × 721,056.70
  4. Step 4: Simplify right side
    1,332,905.47x = 1,326,314,541,749.26
  5. Step 5: Solve for x
    x = 1,326,314,541,749.26/1,332,905.47
  6. Step 6: Final answer
    x = 995,055.22

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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.