Home / 1,069,000.60-1,603,500.90-972,578.20

Finding the Fourth Proportional to 1,069,000.60, 1,603,500.90 and 972,578.20

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Solution

The fourth proportional to 1,069,000.60, 1,603,500.90 and 972,578.20 is: 1,458,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,000.60 : 1,603,500.90 = 972,578.20 : x
  2. Step 2: Convert to fraction form
    1,069,000.60/1,603,500.90 = 972,578.20/x
  3. Step 3: Cross multiply
    1,069,000.60x = 1,603,500.90 × 972,578.20
  4. Step 4: Simplify right side
    1,069,000.60x = 1,559,530,019,020.38
  5. Step 5: Solve for x
    x = 1,559,530,019,020.38/1,069,000.60
  6. Step 6: Final answer
    x = 1,458,867.30

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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.