Home / 1,370,703.08-2,055,388.52-687,296.34

Finding the Fourth Proportional to 1,370,703.08, 2,055,388.52 and 687,296.34

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Solution

The fourth proportional to 1,370,703.08, 2,055,388.52 and 687,296.34 is: 1,030,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,703.08 : 2,055,388.52 = 687,296.34 : x
  2. Step 2: Convert to fraction form
    1,370,703.08/2,055,388.52 = 687,296.34/x
  3. Step 3: Cross multiply
    1,370,703.08x = 2,055,388.52 × 687,296.34
  4. Step 4: Simplify right side
    1,370,703.08x = 1,412,661,008,792.26
  5. Step 5: Solve for x
    x = 1,412,661,008,792.26/1,370,703.08
  6. Step 6: Final answer
    x = 1,030,610.51

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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.