Home / 933,911.60-1,400,867.73-720,990.36

Finding the Fourth Proportional to 933,911.60, 1,400,867.73 and 720,990.36

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Solution

The fourth proportional to 933,911.60, 1,400,867.73 and 720,990.36 is: 1,081,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,911.60 : 1,400,867.73 = 720,990.36 : x
  2. Step 2: Convert to fraction form
    933,911.60/1,400,867.73 = 720,990.36/x
  3. Step 3: Cross multiply
    933,911.60x = 1,400,867.73 × 720,990.36
  4. Step 4: Simplify right side
    933,911.60x = 1,010,012,128,965.08
  5. Step 5: Solve for x
    x = 1,010,012,128,965.08/933,911.60
  6. Step 6: Final answer
    x = 1,081,485.80

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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.