Home / 1,388,871.12-2,083,291.83-1,053,968.52

Finding the Fourth Proportional to 1,388,871.12, 2,083,291.83 and 1,053,968.52

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Solution

The fourth proportional to 1,388,871.12, 2,083,291.83 and 1,053,968.52 is: 1,580,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,871.12 : 2,083,291.83 = 1,053,968.52 : x
  2. Step 2: Convert to fraction form
    1,388,871.12/2,083,291.83 = 1,053,968.52/x
  3. Step 3: Cross multiply
    1,388,871.12x = 2,083,291.83 × 1,053,968.52
  4. Step 4: Simplify right side
    1,388,871.12x = 2,195,724,006,793.19
  5. Step 5: Solve for x
    x = 2,195,724,006,793.19/1,388,871.12
  6. Step 6: Final answer
    x = 1,580,941.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.