Home / 1,755,186.50-2,632,779.75-425,490.50

Finding the Fourth Proportional to 1,755,186.50, 2,632,779.75 and 425,490.50

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Solution

The fourth proportional to 1,755,186.50, 2,632,779.75 and 425,490.50 is: 638,235.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,186.50 : 2,632,779.75 = 425,490.50 : x
  2. Step 2: Convert to fraction form
    1,755,186.50/2,632,779.75 = 425,490.50/x
  3. Step 3: Cross multiply
    1,755,186.50x = 2,632,779.75 × 425,490.50
  4. Step 4: Simplify right side
    1,755,186.50x = 1,120,222,772,217.38
  5. Step 5: Solve for x
    x = 1,120,222,772,217.38/1,755,186.50
  6. Step 6: Final answer
    x = 638,235.75

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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.