Home / 1,080,147.69-1,620,455.08-574,635.20

Finding the Fourth Proportional to 1,080,147.69, 1,620,455.08 and 574,635.20

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Solution

The fourth proportional to 1,080,147.69, 1,620,455.08 and 574,635.20 is: 862,077.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,147.69 : 1,620,455.08 = 574,635.20 : x
  2. Step 2: Convert to fraction form
    1,080,147.69/1,620,455.08 = 574,635.20/x
  3. Step 3: Cross multiply
    1,080,147.69x = 1,620,455.08 × 574,635.20
  4. Step 4: Simplify right side
    1,080,147.69x = 931,170,518,011.37
  5. Step 5: Solve for x
    x = 931,170,518,011.37/1,080,147.69
  6. Step 6: Final answer
    x = 862,077.04

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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.