Home / 1,036,666.70-1,555,000.05-859,519.70

Finding the Fourth Proportional to 1,036,666.70, 1,555,000.05 and 859,519.70

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Solution

The fourth proportional to 1,036,666.70, 1,555,000.05 and 859,519.70 is: 1,289,279.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,666.70 : 1,555,000.05 = 859,519.70 : x
  2. Step 2: Convert to fraction form
    1,036,666.70/1,555,000.05 = 859,519.70/x
  3. Step 3: Cross multiply
    1,036,666.70x = 1,555,000.05 × 859,519.70
  4. Step 4: Simplify right side
    1,036,666.70x = 1,336,553,176,475.98
  5. Step 5: Solve for x
    x = 1,336,553,176,475.98/1,036,666.70
  6. Step 6: Final answer
    x = 1,289,279.55

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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.