Home / 1,269,721.02-1,752,241.77-696,756.18

Finding the Fourth Proportional to 1,269,721.02, 1,752,241.77 and 696,756.18

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Solution

The fourth proportional to 1,269,721.02, 1,752,241.77 and 696,756.18 is: 961,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,721.02 : 1,752,241.77 = 696,756.18 : x
  2. Step 2: Convert to fraction form
    1,269,721.02/1,752,241.77 = 696,756.18/x
  3. Step 3: Cross multiply
    1,269,721.02x = 1,752,241.77 × 696,756.18
  4. Step 4: Simplify right side
    1,269,721.02x = 1,220,885,282,101.64
  5. Step 5: Solve for x
    x = 1,220,885,282,101.64/1,269,721.02
  6. Step 6: Final answer
    x = 961,538.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.