Home / 1,009,331.08-1,392,830.04-579,308.56

Finding the Fourth Proportional to 1,009,331.08, 1,392,830.04 and 579,308.56

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Solution

The fourth proportional to 1,009,331.08, 1,392,830.04 and 579,308.56 is: 799,418.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,331.08 : 1,392,830.04 = 579,308.56 : x
  2. Step 2: Convert to fraction form
    1,009,331.08/1,392,830.04 = 579,308.56/x
  3. Step 3: Cross multiply
    1,009,331.08x = 1,392,830.04 × 579,308.56
  4. Step 4: Simplify right side
    1,009,331.08x = 806,878,364,797.14
  5. Step 5: Solve for x
    x = 806,878,364,797.14/1,009,331.08
  6. Step 6: Final answer
    x = 799,418.92

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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.