Home / 1,102,985.85-1,522,157.44-612,976.02

Finding the Fourth Proportional to 1,102,985.85, 1,522,157.44 and 612,976.02

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Solution

The fourth proportional to 1,102,985.85, 1,522,157.44 and 612,976.02 is: 845,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,985.85 : 1,522,157.44 = 612,976.02 : x
  2. Step 2: Convert to fraction form
    1,102,985.85/1,522,157.44 = 612,976.02/x
  3. Step 3: Cross multiply
    1,102,985.85x = 1,522,157.44 × 612,976.02
  4. Step 4: Simplify right side
    1,102,985.85x = 933,046,009,384.59
  5. Step 5: Solve for x
    x = 933,046,009,384.59/1,102,985.85
  6. Step 6: Final answer
    x = 845,927.45

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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.