Home / 1,143,669.78-1,578,265.86-634,372.16

Finding the Fourth Proportional to 1,143,669.78, 1,578,265.86 and 634,372.16

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Solution

The fourth proportional to 1,143,669.78, 1,578,265.86 and 634,372.16 is: 875,434.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,669.78 : 1,578,265.86 = 634,372.16 : x
  2. Step 2: Convert to fraction form
    1,143,669.78/1,578,265.86 = 634,372.16/x
  3. Step 3: Cross multiply
    1,143,669.78x = 1,578,265.86 × 634,372.16
  4. Step 4: Simplify right side
    1,143,669.78x = 1,001,207,917,150.02
  5. Step 5: Solve for x
    x = 1,001,207,917,150.02/1,143,669.78
  6. Step 6: Final answer
    x = 875,434.44

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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.