Home / 1,755,120.42-2,632,779.11-492,849.63

Finding the Fourth Proportional to 1,755,120.42, 2,632,779.11 and 492,849.63

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Solution

The fourth proportional to 1,755,120.42, 2,632,779.11 and 492,849.63 is: 739,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,120.42 : 2,632,779.11 = 492,849.63 : x
  2. Step 2: Convert to fraction form
    1,755,120.42/2,632,779.11 = 492,849.63/x
  3. Step 3: Cross multiply
    1,755,120.42x = 2,632,779.11 × 492,849.63
  4. Step 4: Simplify right side
    1,755,120.42x = 1,297,564,210,235.23
  5. Step 5: Solve for x
    x = 1,297,564,210,235.23/1,755,120.42
  6. Step 6: Final answer
    x = 739,302.10

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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.