Home / 1,458,044.52-2,187,180.96-393,070.28

Finding the Fourth Proportional to 1,458,044.52, 2,187,180.96 and 393,070.28

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Solution

The fourth proportional to 1,458,044.52, 2,187,180.96 and 393,070.28 is: 589,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,044.52 : 2,187,180.96 = 393,070.28 : x
  2. Step 2: Convert to fraction form
    1,458,044.52/2,187,180.96 = 393,070.28/x
  3. Step 3: Cross multiply
    1,458,044.52x = 2,187,180.96 × 393,070.28
  4. Step 4: Simplify right side
    1,458,044.52x = 859,715,832,357.87
  5. Step 5: Solve for x
    x = 859,715,832,357.87/1,458,044.52
  6. Step 6: Final answer
    x = 589,636.20

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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.