Home / 1,755,136.70-2,632,705.05-425,440.70

Finding the Fourth Proportional to 1,755,136.70, 2,632,705.05 and 425,440.70

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Solution

The fourth proportional to 1,755,136.70, 2,632,705.05 and 425,440.70 is: 638,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,136.70 : 2,632,705.05 = 425,440.70 : x
  2. Step 2: Convert to fraction form
    1,755,136.70/2,632,705.05 = 425,440.70/x
  3. Step 3: Cross multiply
    1,755,136.70x = 2,632,705.05 × 425,440.70
  4. Step 4: Simplify right side
    1,755,136.70x = 1,120,059,879,365.53
  5. Step 5: Solve for x
    x = 1,120,059,879,365.53/1,755,136.70
  6. Step 6: Final answer
    x = 638,161.05

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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.