Home / 1,087,663.98-1,631,844.54-448,267.20

Finding the Fourth Proportional to 1,087,663.98, 1,631,844.54 and 448,267.20

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Solution

The fourth proportional to 1,087,663.98, 1,631,844.54 and 448,267.20 is: 672,544.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,663.98 : 1,631,844.54 = 448,267.20 : x
  2. Step 2: Convert to fraction form
    1,087,663.98/1,631,844.54 = 448,267.20/x
  3. Step 3: Cross multiply
    1,087,663.98x = 1,631,844.54 × 448,267.20
  4. Step 4: Simplify right side
    1,087,663.98x = 731,502,382,781.09
  5. Step 5: Solve for x
    x = 731,502,382,781.09/1,087,663.98
  6. Step 6: Final answer
    x = 672,544.46

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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.