Home / 1,012,001.72-1,518,422.21-443,089.20

Finding the Fourth Proportional to 1,012,001.72, 1,518,422.21 and 443,089.20

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Solution

The fourth proportional to 1,012,001.72, 1,518,422.21 and 443,089.20 is: 664,817.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,001.72 : 1,518,422.21 = 443,089.20 : x
  2. Step 2: Convert to fraction form
    1,012,001.72/1,518,422.21 = 443,089.20/x
  3. Step 3: Cross multiply
    1,012,001.72x = 1,518,422.21 × 443,089.20
  4. Step 4: Simplify right side
    1,012,001.72x = 672,796,480,075.69
  5. Step 5: Solve for x
    x = 672,796,480,075.69/1,012,001.72
  6. Step 6: Final answer
    x = 664,817.53

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1.5x scale

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.