Home / 1,143,814.91-1,578,466.04-634,517.28

Finding the Fourth Proportional to 1,143,814.91, 1,578,466.04 and 634,517.28

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Solution

The fourth proportional to 1,143,814.91, 1,578,466.04 and 634,517.28 is: 875,634.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,814.91 : 1,578,466.04 = 634,517.28 : x
  2. Step 2: Convert to fraction form
    1,143,814.91/1,578,466.04 = 634,517.28/x
  3. Step 3: Cross multiply
    1,143,814.91x = 1,578,466.04 × 634,517.28
  4. Step 4: Simplify right side
    1,143,814.91x = 1,001,563,975,100.58
  5. Step 5: Solve for x
    x = 1,001,563,975,100.58/1,143,814.91
  6. Step 6: Final answer
    x = 875,634.66

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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.