Home / 1,090,627.20-1,505,051.22-631,804.32

Finding the Fourth Proportional to 1,090,627.20, 1,505,051.22 and 631,804.32

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Solution

The fourth proportional to 1,090,627.20, 1,505,051.22 and 631,804.32 is: 871,881.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,627.20 : 1,505,051.22 = 631,804.32 : x
  2. Step 2: Convert to fraction form
    1,090,627.20/1,505,051.22 = 631,804.32/x
  3. Step 3: Cross multiply
    1,090,627.20x = 1,505,051.22 × 631,804.32
  4. Step 4: Simplify right side
    1,090,627.20x = 950,897,862,617.27
  5. Step 5: Solve for x
    x = 950,897,862,617.27/1,090,627.20
  6. Step 6: Final answer
    x = 871,881.67

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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.