Home / 1,530,647.78-2,112,240.94-842,255.27

Finding the Fourth Proportional to 1,530,647.78, 2,112,240.94 and 842,255.27

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Solution

The fourth proportional to 1,530,647.78, 2,112,240.94 and 842,255.27 is: 1,162,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,647.78 : 2,112,240.94 = 842,255.27 : x
  2. Step 2: Convert to fraction form
    1,530,647.78/2,112,240.94 = 842,255.27/x
  3. Step 3: Cross multiply
    1,530,647.78x = 2,112,240.94 × 842,255.27
  4. Step 4: Simplify right side
    1,530,647.78x = 1,779,046,050,557.91
  5. Step 5: Solve for x
    x = 1,779,046,050,557.91/1,530,647.78
  6. Step 6: Final answer
    x = 1,162,283.10

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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.