Home / 1,116,055.22-1,539,588.40-729,097.13

Finding the Fourth Proportional to 1,116,055.22, 1,539,588.40 and 729,097.13

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Solution

The fourth proportional to 1,116,055.22, 1,539,588.40 and 729,097.13 is: 1,005,783.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,055.22 : 1,539,588.40 = 729,097.13 : x
  2. Step 2: Convert to fraction form
    1,116,055.22/1,539,588.40 = 729,097.13/x
  3. Step 3: Cross multiply
    1,116,055.22x = 1,539,588.40 × 729,097.13
  4. Step 4: Simplify right side
    1,116,055.22x = 1,122,509,485,847.52
  5. Step 5: Solve for x
    x = 1,122,509,485,847.52/1,116,055.22
  6. Step 6: Final answer
    x = 1,005,783.11

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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.