Home / 1,419,010.40-2,128,515.60-660,850.40

Finding the Fourth Proportional to 1,419,010.40, 2,128,515.60 and 660,850.40

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Solution

The fourth proportional to 1,419,010.40, 2,128,515.60 and 660,850.40 is: 991,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,010.40 : 2,128,515.60 = 660,850.40 : x
  2. Step 2: Convert to fraction form
    1,419,010.40/2,128,515.60 = 660,850.40/x
  3. Step 3: Cross multiply
    1,419,010.40x = 2,128,515.60 × 660,850.40
  4. Step 4: Simplify right side
    1,419,010.40x = 1,406,630,385,666.24
  5. Step 5: Solve for x
    x = 1,406,630,385,666.24/1,419,010.40
  6. Step 6: Final answer
    x = 991,275.60

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1.5x scale

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.