Home / 1,405,924.14-1,940,176.35-761,345.04

Finding the Fourth Proportional to 1,405,924.14, 1,940,176.35 and 761,345.04

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Solution

The fourth proportional to 1,405,924.14, 1,940,176.35 and 761,345.04 is: 1,050,656.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,924.14 : 1,940,176.35 = 761,345.04 : x
  2. Step 2: Convert to fraction form
    1,405,924.14/1,940,176.35 = 761,345.04/x
  3. Step 3: Cross multiply
    1,405,924.14x = 1,940,176.35 × 761,345.04
  4. Step 4: Simplify right side
    1,405,924.14x = 1,477,143,640,797.80
  5. Step 5: Solve for x
    x = 1,477,143,640,797.80/1,405,924.14
  6. Step 6: Final answer
    x = 1,050,656.72

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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.