Home / 1,755,140.70-2,632,711.05-425,444.70

Finding the Fourth Proportional to 1,755,140.70, 2,632,711.05 and 425,444.70

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Solution

The fourth proportional to 1,755,140.70, 2,632,711.05 and 425,444.70 is: 638,167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,140.70 : 2,632,711.05 = 425,444.70 : x
  2. Step 2: Convert to fraction form
    1,755,140.70/2,632,711.05 = 425,444.70/x
  3. Step 3: Cross multiply
    1,755,140.70x = 2,632,711.05 × 425,444.70
  4. Step 4: Simplify right side
    1,755,140.70x = 1,120,072,962,853.94
  5. Step 5: Solve for x
    x = 1,120,072,962,853.94/1,755,140.70
  6. Step 6: Final answer
    x = 638,167.05

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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.