Home / 1,229,842.88-1,845,075.69-870,717.32

Finding the Fourth Proportional to 1,229,842.88, 1,845,075.69 and 870,717.32

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Solution

The fourth proportional to 1,229,842.88, 1,845,075.69 and 870,717.32 is: 1,306,296.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,842.88 : 1,845,075.69 = 870,717.32 : x
  2. Step 2: Convert to fraction form
    1,229,842.88/1,845,075.69 = 870,717.32/x
  3. Step 3: Cross multiply
    1,229,842.88x = 1,845,075.69 × 870,717.32
  4. Step 4: Simplify right side
    1,229,842.88x = 1,606,539,350,768.57
  5. Step 5: Solve for x
    x = 1,606,539,350,768.57/1,229,842.88
  6. Step 6: Final answer
    x = 1,306,296.42

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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.