Home / 1,300,378.21-1,950,370.49-353,822.74

Finding the Fourth Proportional to 1,300,378.21, 1,950,370.49 and 353,822.74

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Solution

The fourth proportional to 1,300,378.21, 1,950,370.49 and 353,822.74 is: 530,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,378.21 : 1,950,370.49 = 353,822.74 : x
  2. Step 2: Convert to fraction form
    1,300,378.21/1,950,370.49 = 353,822.74/x
  3. Step 3: Cross multiply
    1,300,378.21x = 1,950,370.49 × 353,822.74
  4. Step 4: Simplify right side
    1,300,378.21x = 690,085,429,017.83
  5. Step 5: Solve for x
    x = 690,085,429,017.83/1,300,378.21
  6. Step 6: Final answer
    x = 530,680.55

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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.