Home / 1,458,329.76-2,012,194.62-838,015.12

Finding the Fourth Proportional to 1,458,329.76, 2,012,194.62 and 838,015.12

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Solution

The fourth proportional to 1,458,329.76, 2,012,194.62 and 838,015.12 is: 1,156,288.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,329.76 : 2,012,194.62 = 838,015.12 : x
  2. Step 2: Convert to fraction form
    1,458,329.76/2,012,194.62 = 838,015.12/x
  3. Step 3: Cross multiply
    1,458,329.76x = 2,012,194.62 × 838,015.12
  4. Step 4: Simplify right side
    1,458,329.76x = 1,686,249,515,942.65
  5. Step 5: Solve for x
    x = 1,686,249,515,942.65/1,458,329.76
  6. Step 6: Final answer
    x = 1,156,288.22

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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.