Home / 1,129,336.80-1,693,645.56-371,002.25

Finding the Fourth Proportional to 1,129,336.80, 1,693,645.56 and 371,002.25

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Solution

The fourth proportional to 1,129,336.80, 1,693,645.56 and 371,002.25 is: 556,385.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,336.80 : 1,693,645.56 = 371,002.25 : x
  2. Step 2: Convert to fraction form
    1,129,336.80/1,693,645.56 = 371,002.25/x
  3. Step 3: Cross multiply
    1,129,336.80x = 1,693,645.56 × 371,002.25
  4. Step 4: Simplify right side
    1,129,336.80x = 628,346,313,462.51
  5. Step 5: Solve for x
    x = 628,346,313,462.51/1,129,336.80
  6. Step 6: Final answer
    x = 556,385.23

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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.