Home / 1,208,727.60-1,813,091.40-727,652.40

Finding the Fourth Proportional to 1,208,727.60, 1,813,091.40 and 727,652.40

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Solution

The fourth proportional to 1,208,727.60, 1,813,091.40 and 727,652.40 is: 1,091,478.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,727.60 : 1,813,091.40 = 727,652.40 : x
  2. Step 2: Convert to fraction form
    1,208,727.60/1,813,091.40 = 727,652.40/x
  3. Step 3: Cross multiply
    1,208,727.60x = 1,813,091.40 × 727,652.40
  4. Step 4: Simplify right side
    1,208,727.60x = 1,319,300,308,629.36
  5. Step 5: Solve for x
    x = 1,319,300,308,629.36/1,208,727.60
  6. Step 6: Final answer
    x = 1,091,478.60

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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.