Home / 1,755,171-2,632,756.50-425,475

Finding the Fourth Proportional to 1,755,171, 2,632,756.50 and 425,475

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Solution

The fourth proportional to 1,755,171, 2,632,756.50 and 425,475 is: 638,212.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,171 : 2,632,756.50 = 425,475 : x
  2. Step 2: Convert to fraction form
    1,755,171/2,632,756.50 = 425,475/x
  3. Step 3: Cross multiply
    1,755,171x = 2,632,756.50 × 425,475
  4. Step 4: Simplify right side
    1,755,171x = 1,120,172,071,837.50
  5. Step 5: Solve for x
    x = 1,120,172,071,837.50/1,755,171
  6. Step 6: Final answer
    x = 638,212.50

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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.