Home / 1,448,395.68-1,998,726.80-803,842.72

Finding the Fourth Proportional to 1,448,395.68, 1,998,726.80 and 803,842.72

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Solution

The fourth proportional to 1,448,395.68, 1,998,726.80 and 803,842.72 is: 1,109,270.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,395.68 : 1,998,726.80 = 803,842.72 : x
  2. Step 2: Convert to fraction form
    1,448,395.68/1,998,726.80 = 803,842.72/x
  3. Step 3: Cross multiply
    1,448,395.68x = 1,998,726.80 × 803,842.72
  4. Step 4: Simplify right side
    1,448,395.68x = 1,606,661,987,448.90
  5. Step 5: Solve for x
    x = 1,606,661,987,448.90/1,448,395.68
  6. Step 6: Final answer
    x = 1,109,270.08

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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.