Home / 1,230,140.36-1,843,714.55-870,414.86

Finding the Fourth Proportional to 1,230,140.36, 1,843,714.55 and 870,414.86

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Solution

The fourth proportional to 1,230,140.36, 1,843,714.55 and 870,414.86 is: 1,304,563.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,140.36 : 1,843,714.55 = 870,414.86 : x
  2. Step 2: Convert to fraction form
    1,230,140.36/1,843,714.55 = 870,414.86/x
  3. Step 3: Cross multiply
    1,230,140.36x = 1,843,714.55 × 870,414.86
  4. Step 4: Simplify right side
    1,230,140.36x = 1,604,796,528,347.57
  5. Step 5: Solve for x
    x = 1,604,796,528,347.57/1,230,140.36
  6. Step 6: Final answer
    x = 1,304,563.76

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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.