Home / 1,527,931.20-2,289,272.40-727,489.20

Finding the Fourth Proportional to 1,527,931.20, 2,289,272.40 and 727,489.20

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Solution

The fourth proportional to 1,527,931.20, 2,289,272.40 and 727,489.20 is: 1,089,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,931.20 : 2,289,272.40 = 727,489.20 : x
  2. Step 2: Convert to fraction form
    1,527,931.20/2,289,272.40 = 727,489.20/x
  3. Step 3: Cross multiply
    1,527,931.20x = 2,289,272.40 × 727,489.20
  4. Step 4: Simplify right side
    1,527,931.20x = 1,665,420,946,858.08
  5. Step 5: Solve for x
    x = 1,665,420,946,858.08/1,527,931.20
  6. Step 6: Final answer
    x = 1,089,984.25

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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.