Home / 1,190,323.84-1,642,678.98-700,327.56

Finding the Fourth Proportional to 1,190,323.84, 1,642,678.98 and 700,327.56

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Solution

The fourth proportional to 1,190,323.84, 1,642,678.98 and 700,327.56 is: 966,470.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,323.84 : 1,642,678.98 = 700,327.56 : x
  2. Step 2: Convert to fraction form
    1,190,323.84/1,642,678.98 = 700,327.56/x
  3. Step 3: Cross multiply
    1,190,323.84x = 1,642,678.98 × 700,327.56
  4. Step 4: Simplify right side
    1,190,323.84x = 1,150,413,361,926.69
  5. Step 5: Solve for x
    x = 1,150,413,361,926.69/1,190,323.84
  6. Step 6: Final answer
    x = 966,470.91

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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.