Home / 1,699,323.98-2,548,238.12-900,421.38

Finding the Fourth Proportional to 1,699,323.98, 2,548,238.12 and 900,421.38

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Solution

The fourth proportional to 1,699,323.98, 2,548,238.12 and 900,421.38 is: 1,350,235.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,323.98 : 2,548,238.12 = 900,421.38 : x
  2. Step 2: Convert to fraction form
    1,699,323.98/2,548,238.12 = 900,421.38/x
  3. Step 3: Cross multiply
    1,699,323.98x = 2,548,238.12 × 900,421.38
  4. Step 4: Simplify right side
    1,699,323.98x = 2,294,488,080,076.90
  5. Step 5: Solve for x
    x = 2,294,488,080,076.90/1,699,323.98
  6. Step 6: Final answer
    x = 1,350,235.81

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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.