Home / 1,214,587.50-1,820,637.06-505,027.50

Finding the Fourth Proportional to 1,214,587.50, 1,820,637.06 and 505,027.50

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Solution

The fourth proportional to 1,214,587.50, 1,820,637.06 and 505,027.50 is: 757,023.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,587.50 : 1,820,637.06 = 505,027.50 : x
  2. Step 2: Convert to fraction form
    1,214,587.50/1,820,637.06 = 505,027.50/x
  3. Step 3: Cross multiply
    1,214,587.50x = 1,820,637.06 × 505,027.50
  4. Step 4: Simplify right side
    1,214,587.50x = 919,471,782,819.15
  5. Step 5: Solve for x
    x = 919,471,782,819.15/1,214,587.50
  6. Step 6: Final answer
    x = 757,023.91

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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.