Home / 1,351,642.60-2,027,463.90-1,330,647.40

Finding the Fourth Proportional to 1,351,642.60, 2,027,463.90 and 1,330,647.40

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Solution

The fourth proportional to 1,351,642.60, 2,027,463.90 and 1,330,647.40 is: 1,995,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,642.60 : 2,027,463.90 = 1,330,647.40 : x
  2. Step 2: Convert to fraction form
    1,351,642.60/2,027,463.90 = 1,330,647.40/x
  3. Step 3: Cross multiply
    1,351,642.60x = 2,027,463.90 × 1,330,647.40
  4. Step 4: Simplify right side
    1,351,642.60x = 2,697,839,567,128.86
  5. Step 5: Solve for x
    x = 2,697,839,567,128.86/1,351,642.60
  6. Step 6: Final answer
    x = 1,995,971.10

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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.