Home / 1,069,516.30-1,603,194.27-670,436.80

Finding the Fourth Proportional to 1,069,516.30, 1,603,194.27 and 670,436.80

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Solution

The fourth proportional to 1,069,516.30, 1,603,194.27 and 670,436.80 is: 1,004,978.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,516.30 : 1,603,194.27 = 670,436.80 : x
  2. Step 2: Convert to fraction form
    1,069,516.30/1,603,194.27 = 670,436.80/x
  3. Step 3: Cross multiply
    1,069,516.30x = 1,603,194.27 × 670,436.80
  4. Step 4: Simplify right side
    1,069,516.30x = 1,074,840,436,157.14
  5. Step 5: Solve for x
    x = 1,074,840,436,157.14/1,069,516.30
  6. Step 6: Final answer
    x = 1,004,978.08

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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.