Home / 1,518,129.80-2,276,903.10-453,206.60

Finding the Fourth Proportional to 1,518,129.80, 2,276,903.10 and 453,206.60

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Solution

The fourth proportional to 1,518,129.80, 2,276,903.10 and 453,206.60 is: 679,722.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,129.80 : 2,276,903.10 = 453,206.60 : x
  2. Step 2: Convert to fraction form
    1,518,129.80/2,276,903.10 = 453,206.60/x
  3. Step 3: Cross multiply
    1,518,129.80x = 2,276,903.10 × 453,206.60
  4. Step 4: Simplify right side
    1,518,129.80x = 1,031,907,512,480.46
  5. Step 5: Solve for x
    x = 1,031,907,512,480.46/1,518,129.80
  6. Step 6: Final answer
    x = 679,722.85

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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.