Home / 1,240,822.31-1,712,297.43-689,536.17

Finding the Fourth Proportional to 1,240,822.31, 1,712,297.43 and 689,536.17

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Solution

The fourth proportional to 1,240,822.31, 1,712,297.43 and 689,536.17 is: 951,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,822.31 : 1,712,297.43 = 689,536.17 : x
  2. Step 2: Convert to fraction form
    1,240,822.31/1,712,297.43 = 689,536.17/x
  3. Step 3: Cross multiply
    1,240,822.31x = 1,712,297.43 × 689,536.17
  4. Step 4: Simplify right side
    1,240,822.31x = 1,180,691,011,783.04
  5. Step 5: Solve for x
    x = 1,180,691,011,783.04/1,240,822.31
  6. Step 6: Final answer
    x = 951,539.16

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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.