Home / 1,355,645.52-1,870,727.67-743,784.48

Finding the Fourth Proportional to 1,355,645.52, 1,870,727.67 and 743,784.48

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Solution

The fourth proportional to 1,355,645.52, 1,870,727.67 and 743,784.48 is: 1,026,387.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,645.52 : 1,870,727.67 = 743,784.48 : x
  2. Step 2: Convert to fraction form
    1,355,645.52/1,870,727.67 = 743,784.48/x
  3. Step 3: Cross multiply
    1,355,645.52x = 1,870,727.67 × 743,784.48
  4. Step 4: Simplify right side
    1,355,645.52x = 1,391,418,207,252.56
  5. Step 5: Solve for x
    x = 1,391,418,207,252.56/1,355,645.52
  6. Step 6: Final answer
    x = 1,026,387.94

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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.