Home / 1,314,979.74-1,972,525.77-516,434.36

Finding the Fourth Proportional to 1,314,979.74, 1,972,525.77 and 516,434.36

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Solution

The fourth proportional to 1,314,979.74, 1,972,525.77 and 516,434.36 is: 774,673.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,979.74 : 1,972,525.77 = 516,434.36 : x
  2. Step 2: Convert to fraction form
    1,314,979.74/1,972,525.77 = 516,434.36/x
  3. Step 3: Cross multiply
    1,314,979.74x = 1,972,525.77 × 516,434.36
  4. Step 4: Simplify right side
    1,314,979.74x = 1,018,680,073,750.83
  5. Step 5: Solve for x
    x = 1,018,680,073,750.83/1,314,979.74
  6. Step 6: Final answer
    x = 774,673.59

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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.