Home / 1,405,873.02-1,940,101.35-761,293.26

Finding the Fourth Proportional to 1,405,873.02, 1,940,101.35 and 761,293.26

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Solution

The fourth proportional to 1,405,873.02, 1,940,101.35 and 761,293.26 is: 1,050,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,873.02 : 1,940,101.35 = 761,293.26 : x
  2. Step 2: Convert to fraction form
    1,405,873.02/1,940,101.35 = 761,293.26/x
  3. Step 3: Cross multiply
    1,405,873.02x = 1,940,101.35 × 761,293.26
  4. Step 4: Simplify right side
    1,405,873.02x = 1,476,986,081,471.90
  5. Step 5: Solve for x
    x = 1,476,986,081,471.90/1,405,873.02
  6. Step 6: Final answer
    x = 1,050,582.85

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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.