Home / 1,186,750.78-1,780,295.81-366,158.90

Finding the Fourth Proportional to 1,186,750.78, 1,780,295.81 and 366,158.90

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Solution

The fourth proportional to 1,186,750.78, 1,780,295.81 and 366,158.90 is: 549,290.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,750.78 : 1,780,295.81 = 366,158.90 : x
  2. Step 2: Convert to fraction form
    1,186,750.78/1,780,295.81 = 366,158.90/x
  3. Step 3: Cross multiply
    1,186,750.78x = 1,780,295.81 × 366,158.90
  4. Step 4: Simplify right side
    1,186,750.78x = 651,871,158,084.15
  5. Step 5: Solve for x
    x = 651,871,158,084.15/1,186,750.78
  6. Step 6: Final answer
    x = 549,290.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.