Home / 1,330,380.56-1,835,924.81-718,533.15

Finding the Fourth Proportional to 1,330,380.56, 1,835,924.81 and 718,533.15

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Solution

The fourth proportional to 1,330,380.56, 1,835,924.81 and 718,533.15 is: 991,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,380.56 : 1,835,924.81 = 718,533.15 : x
  2. Step 2: Convert to fraction form
    1,330,380.56/1,835,924.81 = 718,533.15/x
  3. Step 3: Cross multiply
    1,330,380.56x = 1,835,924.81 × 718,533.15
  4. Step 4: Simplify right side
    1,330,380.56x = 1,319,172,833,299.79
  5. Step 5: Solve for x
    x = 1,319,172,833,299.79/1,330,380.56
  6. Step 6: Final answer
    x = 991,575.55

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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.