Home / 1,185,742.50-1,778,617.94-287,184.84

Finding the Fourth Proportional to 1,185,742.50, 1,778,617.94 and 287,184.84

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Solution

The fourth proportional to 1,185,742.50, 1,778,617.94 and 287,184.84 is: 430,778.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,742.50 : 1,778,617.94 = 287,184.84 : x
  2. Step 2: Convert to fraction form
    1,185,742.50/1,778,617.94 = 287,184.84/x
  3. Step 3: Cross multiply
    1,185,742.50x = 1,778,617.94 × 287,184.84
  4. Step 4: Simplify right side
    1,185,742.50x = 510,792,108,520.03
  5. Step 5: Solve for x
    x = 510,792,108,520.03/1,185,742.50
  6. Step 6: Final answer
    x = 430,778.27

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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.