Home / 1,100,515.30-1,648,804.65-679,299.10

Finding the Fourth Proportional to 1,100,515.30, 1,648,804.65 and 679,299.10

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Solution

The fourth proportional to 1,100,515.30, 1,648,804.65 and 679,299.10 is: 1,017,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,515.30 : 1,648,804.65 = 679,299.10 : x
  2. Step 2: Convert to fraction form
    1,100,515.30/1,648,804.65 = 679,299.10/x
  3. Step 3: Cross multiply
    1,100,515.30x = 1,648,804.65 × 679,299.10
  4. Step 4: Simplify right side
    1,100,515.30x = 1,120,031,514,820.82
  5. Step 5: Solve for x
    x = 1,120,031,514,820.82/1,100,515.30
  6. Step 6: Final answer
    x = 1,017,733.71

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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.