Home / 1,004,292.25-1,386,347.41-678,047.20

Finding the Fourth Proportional to 1,004,292.25, 1,386,347.41 and 678,047.20

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Solution

The fourth proportional to 1,004,292.25, 1,386,347.41 and 678,047.20 is: 935,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,292.25 : 1,386,347.41 = 678,047.20 : x
  2. Step 2: Convert to fraction form
    1,004,292.25/1,386,347.41 = 678,047.20/x
  3. Step 3: Cross multiply
    1,004,292.25x = 1,386,347.41 × 678,047.20
  4. Step 4: Simplify right side
    1,004,292.25x = 940,008,979,577.75
  5. Step 5: Solve for x
    x = 940,008,979,577.75/1,004,292.25
  6. Step 6: Final answer
    x = 935,991.47

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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.