Home / 916,604.80-1,374,907.20-904,163.20

Finding the Fourth Proportional to 916,604.80, 1,374,907.20 and 904,163.20

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Solution

The fourth proportional to 916,604.80, 1,374,907.20 and 904,163.20 is: 1,356,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,604.80 : 1,374,907.20 = 904,163.20 : x
  2. Step 2: Convert to fraction form
    916,604.80/1,374,907.20 = 904,163.20/x
  3. Step 3: Cross multiply
    916,604.80x = 1,374,907.20 × 904,163.20
  4. Step 4: Simplify right side
    916,604.80x = 1,243,140,493,655.04
  5. Step 5: Solve for x
    x = 1,243,140,493,655.04/916,604.80
  6. Step 6: Final answer
    x = 1,356,244.80

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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.