Home / 1,107,180.69-1,657,004.22-680,491.52

Finding the Fourth Proportional to 1,107,180.69, 1,657,004.22 and 680,491.52

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Solution

The fourth proportional to 1,107,180.69, 1,657,004.22 and 680,491.52 is: 1,018,422.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,180.69 : 1,657,004.22 = 680,491.52 : x
  2. Step 2: Convert to fraction form
    1,107,180.69/1,657,004.22 = 680,491.52/x
  3. Step 3: Cross multiply
    1,107,180.69x = 1,657,004.22 × 680,491.52
  4. Step 4: Simplify right side
    1,107,180.69x = 1,127,577,320,314.21
  5. Step 5: Solve for x
    x = 1,127,577,320,314.21/1,107,180.69
  6. Step 6: Final answer
    x = 1,018,422.13

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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.