Home / 1,143,813.72-1,578,463.56-634,516.50

Finding the Fourth Proportional to 1,143,813.72, 1,578,463.56 and 634,516.50

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Solution

The fourth proportional to 1,143,813.72, 1,578,463.56 and 634,516.50 is: 875,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,813.72 : 1,578,463.56 = 634,516.50 : x
  2. Step 2: Convert to fraction form
    1,143,813.72/1,578,463.56 = 634,516.50/x
  3. Step 3: Cross multiply
    1,143,813.72x = 1,578,463.56 × 634,516.50
  4. Step 4: Simplify right side
    1,143,813.72x = 1,001,561,173,468.74
  5. Step 5: Solve for x
    x = 1,001,561,173,468.74/1,143,813.72
  6. Step 6: Final answer
    x = 875,633.12

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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.