Home / 1,009,280.48-1,392,743.44-579,257.92

Finding the Fourth Proportional to 1,009,280.48, 1,392,743.44 and 579,257.92

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Solution

The fourth proportional to 1,009,280.48, 1,392,743.44 and 579,257.92 is: 799,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,280.48 : 1,392,743.44 = 579,257.92 : x
  2. Step 2: Convert to fraction form
    1,009,280.48/1,392,743.44 = 579,257.92/x
  3. Step 3: Cross multiply
    1,009,280.48x = 1,392,743.44 × 579,257.92
  4. Step 4: Simplify right side
    1,009,280.48x = 806,757,668,148.05
  5. Step 5: Solve for x
    x = 806,757,668,148.05/1,009,280.48
  6. Step 6: Final answer
    x = 799,339.41

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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.