Home / 1,057,465.44-1,585,653.84-426,209.76

Finding the Fourth Proportional to 1,057,465.44, 1,585,653.84 and 426,209.76

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Solution

The fourth proportional to 1,057,465.44, 1,585,653.84 and 426,209.76 is: 639,095.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,465.44 : 1,585,653.84 = 426,209.76 : x
  2. Step 2: Convert to fraction form
    1,057,465.44/1,585,653.84 = 426,209.76/x
  3. Step 3: Cross multiply
    1,057,465.44x = 1,585,653.84 × 426,209.76
  4. Step 4: Simplify right side
    1,057,465.44x = 675,821,142,589.48
  5. Step 5: Solve for x
    x = 675,821,142,589.48/1,057,465.44
  6. Step 6: Final answer
    x = 639,095.25

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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.