Home / 1,755,026.76-2,632,540.12-425,330.76

Finding the Fourth Proportional to 1,755,026.76, 2,632,540.12 and 425,330.76

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Solution

The fourth proportional to 1,755,026.76, 2,632,540.12 and 425,330.76 is: 637,996.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,026.76 : 2,632,540.12 = 425,330.76 : x
  2. Step 2: Convert to fraction form
    1,755,026.76/2,632,540.12 = 425,330.76/x
  3. Step 3: Cross multiply
    1,755,026.76x = 2,632,540.12 × 425,330.76
  4. Step 4: Simplify right side
    1,755,026.76x = 1,119,700,289,970.09
  5. Step 5: Solve for x
    x = 1,119,700,289,970.09/1,755,026.76
  6. Step 6: Final answer
    x = 637,996.14

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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.