Home / 1,225,203.51-1,690,538.71-741,813.63

Finding the Fourth Proportional to 1,225,203.51, 1,690,538.71 and 741,813.63

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Solution

The fourth proportional to 1,225,203.51, 1,690,538.71 and 741,813.63 is: 1,023,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,203.51 : 1,690,538.71 = 741,813.63 : x
  2. Step 2: Convert to fraction form
    1,225,203.51/1,690,538.71 = 741,813.63/x
  3. Step 3: Cross multiply
    1,225,203.51x = 1,690,538.71 × 741,813.63
  4. Step 4: Simplify right side
    1,225,203.51x = 1,254,064,657,120.62
  5. Step 5: Solve for x
    x = 1,254,064,657,120.62/1,225,203.51
  6. Step 6: Final answer
    x = 1,023,556.21

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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.