Home / 1,069,518.66-1,603,197.84-670,439.16

Finding the Fourth Proportional to 1,069,518.66, 1,603,197.84 and 670,439.16

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Solution

The fourth proportional to 1,069,518.66, 1,603,197.84 and 670,439.16 is: 1,004,981.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,518.66 : 1,603,197.84 = 670,439.16 : x
  2. Step 2: Convert to fraction form
    1,069,518.66/1,603,197.84 = 670,439.16/x
  3. Step 3: Cross multiply
    1,069,518.66x = 1,603,197.84 × 670,439.16
  4. Step 4: Simplify right side
    1,069,518.66x = 1,074,846,613,163.41
  5. Step 5: Solve for x
    x = 1,074,846,613,163.41/1,069,518.66
  6. Step 6: Final answer
    x = 1,004,981.64

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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.