Home / 1,112,546.80-1,668,083.10-402,481.36

Finding the Fourth Proportional to 1,112,546.80, 1,668,083.10 and 402,481.36

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Solution

The fourth proportional to 1,112,546.80, 1,668,083.10 and 402,481.36 is: 603,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,546.80 : 1,668,083.10 = 402,481.36 : x
  2. Step 2: Convert to fraction form
    1,112,546.80/1,668,083.10 = 402,481.36/x
  3. Step 3: Cross multiply
    1,112,546.80x = 1,668,083.10 × 402,481.36
  4. Step 4: Simplify right side
    1,112,546.80x = 671,372,354,681.02
  5. Step 5: Solve for x
    x = 671,372,354,681.02/1,112,546.80
  6. Step 6: Final answer
    x = 603,455.38

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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.