Home / 1,275,268.71-1,910,803.53-891,056.55

Finding the Fourth Proportional to 1,275,268.71, 1,910,803.53 and 891,056.55

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Solution

The fourth proportional to 1,275,268.71, 1,910,803.53 and 891,056.55 is: 1,335,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,268.71 : 1,910,803.53 = 891,056.55 : x
  2. Step 2: Convert to fraction form
    1,275,268.71/1,910,803.53 = 891,056.55/x
  3. Step 3: Cross multiply
    1,275,268.71x = 1,910,803.53 × 891,056.55
  4. Step 4: Simplify right side
    1,275,268.71x = 1,702,634,001,169.62
  5. Step 5: Solve for x
    x = 1,702,634,001,169.62/1,275,268.71
  6. Step 6: Final answer
    x = 1,335,117.84

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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.