Home / 1,514,644.80-2,090,311.20-870,273.60

Finding the Fourth Proportional to 1,514,644.80, 2,090,311.20 and 870,273.60

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Solution

The fourth proportional to 1,514,644.80, 2,090,311.20 and 870,273.60 is: 1,201,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,644.80 : 2,090,311.20 = 870,273.60 : x
  2. Step 2: Convert to fraction form
    1,514,644.80/2,090,311.20 = 870,273.60/x
  3. Step 3: Cross multiply
    1,514,644.80x = 2,090,311.20 × 870,273.60
  4. Step 4: Simplify right side
    1,514,644.80x = 1,819,142,653,144.32
  5. Step 5: Solve for x
    x = 1,819,142,653,144.32/1,514,644.80
  6. Step 6: Final answer
    x = 1,201,035.82

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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.