Home / 1,269,417.25-1,751,795.79-725,564.72

Finding the Fourth Proportional to 1,269,417.25, 1,751,795.79 and 725,564.72

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Solution

The fourth proportional to 1,269,417.25, 1,751,795.79 and 725,564.72 is: 1,001,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,417.25 : 1,751,795.79 = 725,564.72 : x
  2. Step 2: Convert to fraction form
    1,269,417.25/1,751,795.79 = 725,564.72/x
  3. Step 3: Cross multiply
    1,269,417.25x = 1,751,795.79 × 725,564.72
  4. Step 4: Simplify right side
    1,269,417.25x = 1,271,041,210,625.07
  5. Step 5: Solve for x
    x = 1,271,041,210,625.07/1,269,417.25
  6. Step 6: Final answer
    x = 1,001,279.30

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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.