Home / 1,036,700.20-1,555,050.30-859,553.20

Finding the Fourth Proportional to 1,036,700.20, 1,555,050.30 and 859,553.20

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Solution

The fourth proportional to 1,036,700.20, 1,555,050.30 and 859,553.20 is: 1,289,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,700.20 : 1,555,050.30 = 859,553.20 : x
  2. Step 2: Convert to fraction form
    1,036,700.20/1,555,050.30 = 859,553.20/x
  3. Step 3: Cross multiply
    1,036,700.20x = 1,555,050.30 × 859,553.20
  4. Step 4: Simplify right side
    1,036,700.20x = 1,336,648,461,525.96
  5. Step 5: Solve for x
    x = 1,336,648,461,525.96/1,036,700.20
  6. Step 6: Final answer
    x = 1,289,329.80

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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.