Home / 1,047,874.20-1,571,811.30-299,920.20

Finding the Fourth Proportional to 1,047,874.20, 1,571,811.30 and 299,920.20

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Solution

The fourth proportional to 1,047,874.20, 1,571,811.30 and 299,920.20 is: 449,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,874.20 : 1,571,811.30 = 299,920.20 : x
  2. Step 2: Convert to fraction form
    1,047,874.20/1,571,811.30 = 299,920.20/x
  3. Step 3: Cross multiply
    1,047,874.20x = 1,571,811.30 × 299,920.20
  4. Step 4: Simplify right side
    1,047,874.20x = 471,417,959,458.26
  5. Step 5: Solve for x
    x = 471,417,959,458.26/1,047,874.20
  6. Step 6: Final answer
    x = 449,880.30

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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.