Home / 1,486,628.00-2,229,940.77-421,679.28

Finding the Fourth Proportional to 1,486,628.00, 2,229,940.77 and 421,679.28

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Solution

The fourth proportional to 1,486,628.00, 2,229,940.77 and 421,679.28 is: 632,518.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,628.00 : 2,229,940.77 = 421,679.28 : x
  2. Step 2: Convert to fraction form
    1,486,628.00/2,229,940.77 = 421,679.28/x
  3. Step 3: Cross multiply
    1,486,628.00x = 2,229,940.77 × 421,679.28
  4. Step 4: Simplify right side
    1,486,628.00x = 940,319,825,117.23
  5. Step 5: Solve for x
    x = 940,319,825,117.23/1,486,628.00
  6. Step 6: Final answer
    x = 632,518.58

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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.