Home / 1,347,775.72-1,859,150.82-870,847.72

Finding the Fourth Proportional to 1,347,775.72, 1,859,150.82 and 870,847.72

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Solution

The fourth proportional to 1,347,775.72, 1,859,150.82 and 870,847.72 is: 1,201,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,775.72 : 1,859,150.82 = 870,847.72 : x
  2. Step 2: Convert to fraction form
    1,347,775.72/1,859,150.82 = 870,847.72/x
  3. Step 3: Cross multiply
    1,347,775.72x = 1,859,150.82 × 870,847.72
  4. Step 4: Simplify right side
    1,347,775.72x = 1,619,037,252,733.13
  5. Step 5: Solve for x
    x = 1,619,037,252,733.13/1,347,775.72
  6. Step 6: Final answer
    x = 1,201,266.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.