Home / 1,069,600.65-1,603,321.35-670,521.75

Finding the Fourth Proportional to 1,069,600.65, 1,603,321.35 and 670,521.75

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Solution

The fourth proportional to 1,069,600.65, 1,603,321.35 and 670,521.75 is: 1,005,105.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,600.65 : 1,603,321.35 = 670,521.75 : x
  2. Step 2: Convert to fraction form
    1,069,600.65/1,603,321.35 = 670,521.75/x
  3. Step 3: Cross multiply
    1,069,600.65x = 1,603,321.35 × 670,521.75
  4. Step 4: Simplify right side
    1,069,600.65x = 1,075,061,837,414.36
  5. Step 5: Solve for x
    x = 1,075,061,837,414.36/1,069,600.65
  6. Step 6: Final answer
    x = 1,005,105.82

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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.