Home / 1,140,747.10-1,574,231.03-631,449.48

Finding the Fourth Proportional to 1,140,747.10, 1,574,231.03 and 631,449.48

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Solution

The fourth proportional to 1,140,747.10, 1,574,231.03 and 631,449.48 is: 871,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,747.10 : 1,574,231.03 = 631,449.48 : x
  2. Step 2: Convert to fraction form
    1,140,747.10/1,574,231.03 = 631,449.48/x
  3. Step 3: Cross multiply
    1,140,747.10x = 1,574,231.03 × 631,449.48
  4. Step 4: Simplify right side
    1,140,747.10x = 994,047,365,293.36
  5. Step 5: Solve for x
    x = 994,047,365,293.36/1,140,747.10
  6. Step 6: Final answer
    x = 871,400.30

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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.