Home / 1,363,120.14-1,881,081.39-742,930.91

Finding the Fourth Proportional to 1,363,120.14, 1,881,081.39 and 742,930.91

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Solution

The fourth proportional to 1,363,120.14, 1,881,081.39 and 742,930.91 is: 1,025,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,120.14 : 1,881,081.39 = 742,930.91 : x
  2. Step 2: Convert to fraction form
    1,363,120.14/1,881,081.39 = 742,930.91/x
  3. Step 3: Cross multiply
    1,363,120.14x = 1,881,081.39 × 742,930.91
  4. Step 4: Simplify right side
    1,363,120.14x = 1,397,513,499,451.36
  5. Step 5: Solve for x
    x = 1,397,513,499,451.36/1,363,120.14
  6. Step 6: Final answer
    x = 1,025,231.35

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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.