Home / 1,338,909.98-1,847,012.56-854,966.30

Finding the Fourth Proportional to 1,338,909.98, 1,847,012.56 and 854,966.30

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Solution

The fourth proportional to 1,338,909.98, 1,847,012.56 and 854,966.30 is: 1,179,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,909.98 : 1,847,012.56 = 854,966.30 : x
  2. Step 2: Convert to fraction form
    1,338,909.98/1,847,012.56 = 854,966.30/x
  3. Step 3: Cross multiply
    1,338,909.98x = 1,847,012.56 × 854,966.30
  4. Step 4: Simplify right side
    1,338,909.98x = 1,579,133,483,104.25
  5. Step 5: Solve for x
    x = 1,579,133,483,104.25/1,338,909.98
  6. Step 6: Final answer
    x = 1,179,417.22

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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.