Home / 1,301,281.29-1,795,749.57-720,448.74

Finding the Fourth Proportional to 1,301,281.29, 1,795,749.57 and 720,448.74

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Solution

The fourth proportional to 1,301,281.29, 1,795,749.57 and 720,448.74 is: 994,208.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,281.29 : 1,795,749.57 = 720,448.74 : x
  2. Step 2: Convert to fraction form
    1,301,281.29/1,795,749.57 = 720,448.74/x
  3. Step 3: Cross multiply
    1,301,281.29x = 1,795,749.57 × 720,448.74
  4. Step 4: Simplify right side
    1,301,281.29x = 1,293,745,515,062.04
  5. Step 5: Solve for x
    x = 1,293,745,515,062.04/1,301,281.29
  6. Step 6: Final answer
    x = 994,208.96

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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.