Home / 1,458,547.25-2,187,803.27-378,964.26

Finding the Fourth Proportional to 1,458,547.25, 2,187,803.27 and 378,964.26

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Solution

The fourth proportional to 1,458,547.25, 2,187,803.27 and 378,964.26 is: 568,441.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,547.25 : 2,187,803.27 = 378,964.26 : x
  2. Step 2: Convert to fraction form
    1,458,547.25/2,187,803.27 = 378,964.26/x
  3. Step 3: Cross multiply
    1,458,547.25x = 2,187,803.27 × 378,964.26
  4. Step 4: Simplify right side
    1,458,547.25x = 829,099,248,188.54
  5. Step 5: Solve for x
    x = 829,099,248,188.54/1,458,547.25
  6. Step 6: Final answer
    x = 568,441.82

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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.