Home / 1,320,303.87-1,822,062.75-747,331.74

Finding the Fourth Proportional to 1,320,303.87, 1,822,062.75 and 747,331.74

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Solution

The fourth proportional to 1,320,303.87, 1,822,062.75 and 747,331.74 is: 1,031,342.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,303.87 : 1,822,062.75 = 747,331.74 : x
  2. Step 2: Convert to fraction form
    1,320,303.87/1,822,062.75 = 747,331.74/x
  3. Step 3: Cross multiply
    1,320,303.87x = 1,822,062.75 × 747,331.74
  4. Step 4: Simplify right side
    1,320,303.87x = 1,361,685,325,346.69
  5. Step 5: Solve for x
    x = 1,361,685,325,346.69/1,320,303.87
  6. Step 6: Final answer
    x = 1,031,342.37

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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.