Home / 1,110,659.80-1,665,989.70-636,955.60

Finding the Fourth Proportional to 1,110,659.80, 1,665,989.70 and 636,955.60

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Solution

The fourth proportional to 1,110,659.80, 1,665,989.70 and 636,955.60 is: 955,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,659.80 : 1,665,989.70 = 636,955.60 : x
  2. Step 2: Convert to fraction form
    1,110,659.80/1,665,989.70 = 636,955.60/x
  3. Step 3: Cross multiply
    1,110,659.80x = 1,665,989.70 × 636,955.60
  4. Step 4: Simplify right side
    1,110,659.80x = 1,061,161,468,957.32
  5. Step 5: Solve for x
    x = 1,061,161,468,957.32/1,110,659.80
  6. Step 6: Final answer
    x = 955,433.40

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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.