Home / 1,395,435.63-2,092,955.69-448,685.55

Finding the Fourth Proportional to 1,395,435.63, 2,092,955.69 and 448,685.55

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Solution

The fourth proportional to 1,395,435.63, 2,092,955.69 and 448,685.55 is: 672,964.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,435.63 : 2,092,955.69 = 448,685.55 : x
  2. Step 2: Convert to fraction form
    1,395,435.63/2,092,955.69 = 448,685.55/x
  3. Step 3: Cross multiply
    1,395,435.63x = 2,092,955.69 × 448,685.55
  4. Step 4: Simplify right side
    1,395,435.63x = 939,078,972,649.85
  5. Step 5: Solve for x
    x = 939,078,972,649.85/1,395,435.63
  6. Step 6: Final answer
    x = 672,964.74

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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.