Home / 1,762,987.28-2,644,432.32-1,185,288.80

Finding the Fourth Proportional to 1,762,987.28, 2,644,432.32 and 1,185,288.80

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Solution

The fourth proportional to 1,762,987.28, 2,644,432.32 and 1,185,288.80 is: 1,777,900.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,987.28 : 2,644,432.32 = 1,185,288.80 : x
  2. Step 2: Convert to fraction form
    1,762,987.28/2,644,432.32 = 1,185,288.80/x
  3. Step 3: Cross multiply
    1,762,987.28x = 2,644,432.32 × 1,185,288.80
  4. Step 4: Simplify right side
    1,762,987.28x = 3,134,416,011,254.02
  5. Step 5: Solve for x
    x = 3,134,416,011,254.02/1,762,987.28
  6. Step 6: Final answer
    x = 1,777,900.53

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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.