Home / 1,459,305.60-2,187,921.60-660,969.60

Finding the Fourth Proportional to 1,459,305.60, 2,187,921.60 and 660,969.60

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Solution

The fourth proportional to 1,459,305.60, 2,187,921.60 and 660,969.60 is: 990,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,305.60 : 2,187,921.60 = 660,969.60 : x
  2. Step 2: Convert to fraction form
    1,459,305.60/2,187,921.60 = 660,969.60/x
  3. Step 3: Cross multiply
    1,459,305.60x = 2,187,921.60 × 660,969.60
  4. Step 4: Simplify right side
    1,459,305.60x = 1,446,149,664,783.36
  5. Step 5: Solve for x
    x = 1,446,149,664,783.36/1,459,305.60
  6. Step 6: Final answer
    x = 990,984.80

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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.