Home / 1,103,663.42-1,522,918.84-638,597.24

Finding the Fourth Proportional to 1,103,663.42, 1,522,918.84 and 638,597.24

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Solution

The fourth proportional to 1,103,663.42, 1,522,918.84 and 638,597.24 is: 881,185.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,663.42 : 1,522,918.84 = 638,597.24 : x
  2. Step 2: Convert to fraction form
    1,103,663.42/1,522,918.84 = 638,597.24/x
  3. Step 3: Cross multiply
    1,103,663.42x = 1,522,918.84 × 638,597.24
  4. Step 4: Simplify right side
    1,103,663.42x = 972,531,767,968.00
  5. Step 5: Solve for x
    x = 972,531,767,968.00/1,103,663.42
  6. Step 6: Final answer
    x = 881,185.11

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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.