Home / 1,090,741.20-1,505,208.51-631,918.32

Finding the Fourth Proportional to 1,090,741.20, 1,505,208.51 and 631,918.32

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Solution

The fourth proportional to 1,090,741.20, 1,505,208.51 and 631,918.32 is: 872,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,741.20 : 1,505,208.51 = 631,918.32 : x
  2. Step 2: Convert to fraction form
    1,090,741.20/1,505,208.51 = 631,918.32/x
  3. Step 3: Cross multiply
    1,090,741.20x = 1,505,208.51 × 631,918.32
  4. Step 4: Simplify right side
    1,090,741.20x = 951,168,832,888.90
  5. Step 5: Solve for x
    x = 951,168,832,888.90/1,090,741.20
  6. Step 6: Final answer
    x = 872,038.97

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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.