Home / 1,349,214.57-2,023,245.75-780,987.89

Finding the Fourth Proportional to 1,349,214.57, 2,023,245.75 and 780,987.89

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Solution

The fourth proportional to 1,349,214.57, 2,023,245.75 and 780,987.89 is: 1,171,148.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,214.57 : 2,023,245.75 = 780,987.89 : x
  2. Step 2: Convert to fraction form
    1,349,214.57/2,023,245.75 = 780,987.89/x
  3. Step 3: Cross multiply
    1,349,214.57x = 2,023,245.75 × 780,987.89
  4. Step 4: Simplify right side
    1,349,214.57x = 1,580,130,429,243.97
  5. Step 5: Solve for x
    x = 1,580,130,429,243.97/1,349,214.57
  6. Step 6: Final answer
    x = 1,171,148.36

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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.