Home / 1,239,726.54-1,858,867.26-480,681.25

Finding the Fourth Proportional to 1,239,726.54, 1,858,867.26 and 480,681.25

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Solution

The fourth proportional to 1,239,726.54, 1,858,867.26 and 480,681.25 is: 720,741.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,726.54 : 1,858,867.26 = 480,681.25 : x
  2. Step 2: Convert to fraction form
    1,239,726.54/1,858,867.26 = 480,681.25/x
  3. Step 3: Cross multiply
    1,239,726.54x = 1,858,867.26 × 480,681.25
  4. Step 4: Simplify right side
    1,239,726.54x = 893,522,638,120.88
  5. Step 5: Solve for x
    x = 893,522,638,120.88/1,239,726.54
  6. Step 6: Final answer
    x = 720,741.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.