Home / 1,720,126.80-2,579,534.10-521,650.80

Finding the Fourth Proportional to 1,720,126.80, 2,579,534.10 and 521,650.80

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Solution

The fourth proportional to 1,720,126.80, 2,579,534.10 and 521,650.80 is: 782,277.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,126.80 : 2,579,534.10 = 521,650.80 : x
  2. Step 2: Convert to fraction form
    1,720,126.80/2,579,534.10 = 521,650.80/x
  3. Step 3: Cross multiply
    1,720,126.80x = 2,579,534.10 × 521,650.80
  4. Step 4: Simplify right side
    1,720,126.80x = 1,345,616,026,892.28
  5. Step 5: Solve for x
    x = 1,345,616,026,892.28/1,720,126.80
  6. Step 6: Final answer
    x = 782,277.23

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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.