Home / 1,211,011.34-1,815,886.42-452,228.85

Finding the Fourth Proportional to 1,211,011.34, 1,815,886.42 and 452,228.85

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Solution

The fourth proportional to 1,211,011.34, 1,815,886.42 and 452,228.85 is: 678,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,011.34 : 1,815,886.42 = 452,228.85 : x
  2. Step 2: Convert to fraction form
    1,211,011.34/1,815,886.42 = 452,228.85/x
  3. Step 3: Cross multiply
    1,211,011.34x = 1,815,886.42 × 452,228.85
  4. Step 4: Simplify right side
    1,211,011.34x = 821,196,226,316.65
  5. Step 5: Solve for x
    x = 821,196,226,316.65/1,211,011.34
  6. Step 6: Final answer
    x = 678,107.80

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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.