Home / 1,016,145-1,524,218.22-258,043.32

Finding the Fourth Proportional to 1,016,145, 1,524,218.22 and 258,043.32

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Solution

The fourth proportional to 1,016,145, 1,524,218.22 and 258,043.32 is: 387,065.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,145 : 1,524,218.22 = 258,043.32 : x
  2. Step 2: Convert to fraction form
    1,016,145/1,524,218.22 = 258,043.32/x
  3. Step 3: Cross multiply
    1,016,145x = 1,524,218.22 × 258,043.32
  4. Step 4: Simplify right side
    1,016,145x = 393,314,329,893.29
  5. Step 5: Solve for x
    x = 393,314,329,893.29/1,016,145
  6. Step 6: Final answer
    x = 387,065.16

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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.