Home / 1,333,727.47-1,840,543.76-721,880.13

Finding the Fourth Proportional to 1,333,727.47, 1,840,543.76 and 721,880.13

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Solution

The fourth proportional to 1,333,727.47, 1,840,543.76 and 721,880.13 is: 996,194.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,727.47 : 1,840,543.76 = 721,880.13 : x
  2. Step 2: Convert to fraction form
    1,333,727.47/1,840,543.76 = 721,880.13/x
  3. Step 3: Cross multiply
    1,333,727.47x = 1,840,543.76 × 721,880.13
  4. Step 4: Simplify right side
    1,333,727.47x = 1,328,651,968,739.49
  5. Step 5: Solve for x
    x = 1,328,651,968,739.49/1,333,727.47
  6. Step 6: Final answer
    x = 996,194.50

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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.