Home / 1,333,810.84-1,840,658.70-721,963.48

Finding the Fourth Proportional to 1,333,810.84, 1,840,658.70 and 721,963.48

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Solution

The fourth proportional to 1,333,810.84, 1,840,658.70 and 721,963.48 is: 996,309.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,810.84 : 1,840,658.70 = 721,963.48 : x
  2. Step 2: Convert to fraction form
    1,333,810.84/1,840,658.70 = 721,963.48/x
  3. Step 3: Cross multiply
    1,333,810.84x = 1,840,658.70 × 721,963.48
  4. Step 4: Simplify right side
    1,333,810.84x = 1,328,888,360,544.28
  5. Step 5: Solve for x
    x = 1,328,888,360,544.28/1,333,810.84
  6. Step 6: Final answer
    x = 996,309.46

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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.