Home / 1,405,314.91-2,107,977.36-340,357.69

Finding the Fourth Proportional to 1,405,314.91, 2,107,977.36 and 340,357.69

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Solution

The fourth proportional to 1,405,314.91, 2,107,977.36 and 340,357.69 is: 510,537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,314.91 : 2,107,977.36 = 340,357.69 : x
  2. Step 2: Convert to fraction form
    1,405,314.91/2,107,977.36 = 340,357.69/x
  3. Step 3: Cross multiply
    1,405,314.91x = 2,107,977.36 × 340,357.69
  4. Step 4: Simplify right side
    1,405,314.91x = 717,466,304,821.90
  5. Step 5: Solve for x
    x = 717,466,304,821.90/1,405,314.91
  6. Step 6: Final answer
    x = 510,537.74

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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.