Home / 1,143,841.41-1,578,502.61-634,543.78

Finding the Fourth Proportional to 1,143,841.41, 1,578,502.61 and 634,543.78

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Solution

The fourth proportional to 1,143,841.41, 1,578,502.61 and 634,543.78 is: 875,671.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,841.41 : 1,578,502.61 = 634,543.78 : x
  2. Step 2: Convert to fraction form
    1,143,841.41/1,578,502.61 = 634,543.78/x
  3. Step 3: Cross multiply
    1,143,841.41x = 1,578,502.61 × 634,543.78
  4. Step 4: Simplify right side
    1,143,841.41x = 1,001,629,012,889.27
  5. Step 5: Solve for x
    x = 1,001,629,012,889.27/1,143,841.41
  6. Step 6: Final answer
    x = 875,671.23

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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.