Home / 1,380,601.24-1,905,211.53-760,394.49

Finding the Fourth Proportional to 1,380,601.24, 1,905,211.53 and 760,394.49

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Solution

The fourth proportional to 1,380,601.24, 1,905,211.53 and 760,394.49 is: 1,049,334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,601.24 : 1,905,211.53 = 760,394.49 : x
  2. Step 2: Convert to fraction form
    1,380,601.24/1,905,211.53 = 760,394.49/x
  3. Step 3: Cross multiply
    1,380,601.24x = 1,905,211.53 × 760,394.49
  4. Step 4: Simplify right side
    1,380,601.24x = 1,448,712,349,696.47
  5. Step 5: Solve for x
    x = 1,448,712,349,696.47/1,380,601.24
  6. Step 6: Final answer
    x = 1,049,334.39

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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.