Home / 1,190,148.66-1,785,334.77-391,431.96

Finding the Fourth Proportional to 1,190,148.66, 1,785,334.77 and 391,431.96

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Solution

The fourth proportional to 1,190,148.66, 1,785,334.77 and 391,431.96 is: 587,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,148.66 : 1,785,334.77 = 391,431.96 : x
  2. Step 2: Convert to fraction form
    1,190,148.66/1,785,334.77 = 391,431.96/x
  3. Step 3: Cross multiply
    1,190,148.66x = 1,785,334.77 × 391,431.96
  4. Step 4: Simplify right side
    1,190,148.66x = 698,837,088,277.25
  5. Step 5: Solve for x
    x = 698,837,088,277.25/1,190,148.66
  6. Step 6: Final answer
    x = 587,184.70

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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.