Home / 1,320,603.56-1,982,036.46-1,310,663.24

Finding the Fourth Proportional to 1,320,603.56, 1,982,036.46 and 1,310,663.24

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Solution

The fourth proportional to 1,320,603.56, 1,982,036.46 and 1,310,663.24 is: 1,967,117.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,603.56 : 1,982,036.46 = 1,310,663.24 : x
  2. Step 2: Convert to fraction form
    1,320,603.56/1,982,036.46 = 1,310,663.24/x
  3. Step 3: Cross multiply
    1,320,603.56x = 1,982,036.46 × 1,310,663.24
  4. Step 4: Simplify right side
    1,320,603.56x = 2,597,782,328,461.73
  5. Step 5: Solve for x
    x = 2,597,782,328,461.73/1,320,603.56
  6. Step 6: Final answer
    x = 1,967,117.47

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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.