Home / 1,207,124.49-1,665,976.63-723,955.45

Finding the Fourth Proportional to 1,207,124.49, 1,665,976.63 and 723,955.45

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Solution

The fourth proportional to 1,207,124.49, 1,665,976.63 and 723,955.45 is: 999,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,124.49 : 1,665,976.63 = 723,955.45 : x
  2. Step 2: Convert to fraction form
    1,207,124.49/1,665,976.63 = 723,955.45/x
  3. Step 3: Cross multiply
    1,207,124.49x = 1,665,976.63 × 723,955.45
  4. Step 4: Simplify right side
    1,207,124.49x = 1,206,092,857,241.36
  5. Step 5: Solve for x
    x = 1,206,092,857,241.36/1,207,124.49
  6. Step 6: Final answer
    x = 999,145.38

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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.