Home / 1,247,027.45-1,720,751.65-703,130.83

Finding the Fourth Proportional to 1,247,027.45, 1,720,751.65 and 703,130.83

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Solution

The fourth proportional to 1,247,027.45, 1,720,751.65 and 703,130.83 is: 970,238.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,027.45 : 1,720,751.65 = 703,130.83 : x
  2. Step 2: Convert to fraction form
    1,247,027.45/1,720,751.65 = 703,130.83/x
  3. Step 3: Cross multiply
    1,247,027.45x = 1,720,751.65 × 703,130.83
  4. Step 4: Simplify right side
    1,247,027.45x = 1,209,913,529,828.66
  5. Step 5: Solve for x
    x = 1,209,913,529,828.66/1,247,027.45
  6. Step 6: Final answer
    x = 970,238.09

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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.