Home / 1,059,850.76-1,590,301.97-420,140.97

Finding the Fourth Proportional to 1,059,850.76, 1,590,301.97 and 420,140.97

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Solution

The fourth proportional to 1,059,850.76, 1,590,301.97 and 420,140.97 is: 630,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,850.76 : 1,590,301.97 = 420,140.97 : x
  2. Step 2: Convert to fraction form
    1,059,850.76/1,590,301.97 = 420,140.97/x
  3. Step 3: Cross multiply
    1,059,850.76x = 1,590,301.97 × 420,140.97
  4. Step 4: Simplify right side
    1,059,850.76x = 668,151,010,168.01
  5. Step 5: Solve for x
    x = 668,151,010,168.01/1,059,850.76
  6. Step 6: Final answer
    x = 630,419.90

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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.