Home / 1,309,557.88-1,807,412.36-967,172.48

Finding the Fourth Proportional to 1,309,557.88, 1,807,412.36 and 967,172.48

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Solution

The fourth proportional to 1,309,557.88, 1,807,412.36 and 967,172.48 is: 1,334,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,557.88 : 1,807,412.36 = 967,172.48 : x
  2. Step 2: Convert to fraction form
    1,309,557.88/1,807,412.36 = 967,172.48/x
  3. Step 3: Cross multiply
    1,309,557.88x = 1,807,412.36 × 967,172.48
  4. Step 4: Simplify right side
    1,309,557.88x = 1,748,079,494,603.85
  5. Step 5: Solve for x
    x = 1,748,079,494,603.85/1,309,557.88
  6. Step 6: Final answer
    x = 1,334,862.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.