Home / 1,349,212.57-2,023,242.75-780,985.89

Finding the Fourth Proportional to 1,349,212.57, 2,023,242.75 and 780,985.89

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Solution

The fourth proportional to 1,349,212.57, 2,023,242.75 and 780,985.89 is: 1,171,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,212.57 : 2,023,242.75 = 780,985.89 : x
  2. Step 2: Convert to fraction form
    1,349,212.57/2,023,242.75 = 780,985.89/x
  3. Step 3: Cross multiply
    1,349,212.57x = 2,023,242.75 × 780,985.89
  4. Step 4: Simplify right side
    1,349,212.57x = 1,580,124,046,583.47
  5. Step 5: Solve for x
    x = 1,580,124,046,583.47/1,349,212.57
  6. Step 6: Final answer
    x = 1,171,145.36

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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.