Home / 1,143,739.92-1,578,550.28-634,606.32

Finding the Fourth Proportional to 1,143,739.92, 1,578,550.28 and 634,606.32

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Solution

The fourth proportional to 1,143,739.92, 1,578,550.28 and 634,606.32 is: 875,861.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,739.92 : 1,578,550.28 = 634,606.32 : x
  2. Step 2: Convert to fraction form
    1,143,739.92/1,578,550.28 = 634,606.32/x
  3. Step 3: Cross multiply
    1,143,739.92x = 1,578,550.28 × 634,606.32
  4. Step 4: Simplify right side
    1,143,739.92x = 1,001,757,984,125.77
  5. Step 5: Solve for x
    x = 1,001,757,984,125.77/1,143,739.92
  6. Step 6: Final answer
    x = 875,861.69

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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.