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Finding the Fourth Proportional to 1,755,183, 2,632,774.50 and 425,487

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Solution

The fourth proportional to 1,755,183, 2,632,774.50 and 425,487 is: 638,230.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,183 : 2,632,774.50 = 425,487 : x
  2. Step 2: Convert to fraction form
    1,755,183/2,632,774.50 = 425,487/x
  3. Step 3: Cross multiply
    1,755,183x = 2,632,774.50 × 425,487
  4. Step 4: Simplify right side
    1,755,183x = 1,120,211,323,681.50
  5. Step 5: Solve for x
    x = 1,120,211,323,681.50/1,755,183
  6. Step 6: Final answer
    x = 638,230.50

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Similar ratio
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1.5x scale

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.