Home / 1,144,391.76-1,716,897.24-345,699.36

Finding the Fourth Proportional to 1,144,391.76, 1,716,897.24 and 345,699.36

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Solution

The fourth proportional to 1,144,391.76, 1,716,897.24 and 345,699.36 is: 518,642.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,391.76 : 1,716,897.24 = 345,699.36 : x
  2. Step 2: Convert to fraction form
    1,144,391.76/1,716,897.24 = 345,699.36/x
  3. Step 3: Cross multiply
    1,144,391.76x = 1,716,897.24 × 345,699.36
  4. Step 4: Simplify right side
    1,144,391.76x = 593,530,277,053.77
  5. Step 5: Solve for x
    x = 593,530,277,053.77/1,144,391.76
  6. Step 6: Final answer
    x = 518,642.56

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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.