Home / 1,458,479.58-2,187,719.38-393,521.64

Finding the Fourth Proportional to 1,458,479.58, 2,187,719.38 and 393,521.64

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Solution

The fourth proportional to 1,458,479.58, 2,187,719.38 and 393,521.64 is: 590,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,479.58 : 2,187,719.38 = 393,521.64 : x
  2. Step 2: Convert to fraction form
    1,458,479.58/2,187,719.38 = 393,521.64/x
  3. Step 3: Cross multiply
    1,458,479.58x = 2,187,719.38 × 393,521.64
  4. Step 4: Simplify right side
    1,458,479.58x = 860,914,918,277.38
  5. Step 5: Solve for x
    x = 860,914,918,277.38/1,458,479.58
  6. Step 6: Final answer
    x = 590,282.46

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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.