Home / 1,391,001.36-2,086,643.63-480,065.28

Finding the Fourth Proportional to 1,391,001.36, 2,086,643.63 and 480,065.28

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Solution

The fourth proportional to 1,391,001.36, 2,086,643.63 and 480,065.28 is: 720,146.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,001.36 : 2,086,643.63 = 480,065.28 : x
  2. Step 2: Convert to fraction form
    1,391,001.36/2,086,643.63 = 480,065.28/x
  3. Step 3: Cross multiply
    1,391,001.36x = 2,086,643.63 × 480,065.28
  4. Step 4: Simplify right side
    1,391,001.36x = 1,001,725,158,496.17
  5. Step 5: Solve for x
    x = 1,001,725,158,496.17/1,391,001.36
  6. Step 6: Final answer
    x = 720,146.79

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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.