Home / 1,820,276.75-2,730,405.40-472,438.37

Finding the Fourth Proportional to 1,820,276.75, 2,730,405.40 and 472,438.37

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Solution

The fourth proportional to 1,820,276.75, 2,730,405.40 and 472,438.37 is: 708,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,276.75 : 2,730,405.40 = 472,438.37 : x
  2. Step 2: Convert to fraction form
    1,820,276.75/2,730,405.40 = 472,438.37/x
  3. Step 3: Cross multiply
    1,820,276.75x = 2,730,405.40 × 472,438.37
  4. Step 4: Simplify right side
    1,820,276.75x = 1,289,948,276,615.20
  5. Step 5: Solve for x
    x = 1,289,948,276,615.20/1,820,276.75
  6. Step 6: Final answer
    x = 708,655.03

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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.