Home / 1,330,446.69-1,836,015.75-718,599.15

Finding the Fourth Proportional to 1,330,446.69, 1,836,015.75 and 718,599.15

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Solution

The fourth proportional to 1,330,446.69, 1,836,015.75 and 718,599.15 is: 991,666.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,446.69 : 1,836,015.75 = 718,599.15 : x
  2. Step 2: Convert to fraction form
    1,330,446.69/1,836,015.75 = 718,599.15/x
  3. Step 3: Cross multiply
    1,330,446.69x = 1,836,015.75 × 718,599.15
  4. Step 4: Simplify right side
    1,330,446.69x = 1,319,359,357,336.61
  5. Step 5: Solve for x
    x = 1,319,359,357,336.61/1,330,446.69
  6. Step 6: Final answer
    x = 991,666.46

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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.