Home / 1,080,500.80-1,621,031.40-574,645.80

Finding the Fourth Proportional to 1,080,500.80, 1,621,031.40 and 574,645.80

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Solution

The fourth proportional to 1,080,500.80, 1,621,031.40 and 574,645.80 is: 862,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,500.80 : 1,621,031.40 = 574,645.80 : x
  2. Step 2: Convert to fraction form
    1,080,500.80/1,621,031.40 = 574,645.80/x
  3. Step 3: Cross multiply
    1,080,500.80x = 1,621,031.40 × 574,645.80
  4. Step 4: Simplify right side
    1,080,500.80x = 931,518,885,678.12
  5. Step 5: Solve for x
    x = 931,518,885,678.12/1,080,500.80
  6. Step 6: Final answer
    x = 862,117.72

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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.