Home / 1,420,169.74-1,959,847.60-808,292.50

Finding the Fourth Proportional to 1,420,169.74, 1,959,847.60 and 808,292.50

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Solution

The fourth proportional to 1,420,169.74, 1,959,847.60 and 808,292.50 is: 1,115,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,169.74 : 1,959,847.60 = 808,292.50 : x
  2. Step 2: Convert to fraction form
    1,420,169.74/1,959,847.60 = 808,292.50/x
  3. Step 3: Cross multiply
    1,420,169.74x = 1,959,847.60 × 808,292.50
  4. Step 4: Simplify right side
    1,420,169.74x = 1,584,130,116,223
  5. Step 5: Solve for x
    x = 1,584,130,116,223/1,420,169.74
  6. Step 6: Final answer
    x = 1,115,451.25

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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.