Home / 1,143,626.46-1,578,193.11-634,315.74

Finding the Fourth Proportional to 1,143,626.46, 1,578,193.11 and 634,315.74

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Solution

The fourth proportional to 1,143,626.46, 1,578,193.11 and 634,315.74 is: 875,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,626.46 : 1,578,193.11 = 634,315.74 : x
  2. Step 2: Convert to fraction form
    1,143,626.46/1,578,193.11 = 634,315.74/x
  3. Step 3: Cross multiply
    1,143,626.46x = 1,578,193.11 × 634,315.74
  4. Step 4: Simplify right side
    1,143,626.46x = 1,001,072,730,432.55
  5. Step 5: Solve for x
    x = 1,001,072,730,432.55/1,143,626.46
  6. Step 6: Final answer
    x = 875,349.40

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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.