Home / 780,135.60-1,093,664.40-780,135.60

Finding the Fourth Proportional to 780,135.60, 1,093,664.40 and 780,135.60

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Solution

The fourth proportional to 780,135.60, 1,093,664.40 and 780,135.60 is: 1,093,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,135.60 : 1,093,664.40 = 780,135.60 : x
  2. Step 2: Convert to fraction form
    780,135.60/1,093,664.40 = 780,135.60/x
  3. Step 3: Cross multiply
    780,135.60x = 1,093,664.40 × 780,135.60
  4. Step 4: Simplify right side
    780,135.60x = 853,206,532,892.64
  5. Step 5: Solve for x
    x = 853,206,532,892.64/780,135.60
  6. Step 6: Final answer
    x = 1,093,664.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.