Home / 1,114,808.51-1,538,456.01-631,474.01

Finding the Fourth Proportional to 1,114,808.51, 1,538,456.01 and 631,474.01

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Solution

The fourth proportional to 1,114,808.51, 1,538,456.01 and 631,474.01 is: 871,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,808.51 : 1,538,456.01 = 631,474.01 : x
  2. Step 2: Convert to fraction form
    1,114,808.51/1,538,456.01 = 631,474.01/x
  3. Step 3: Cross multiply
    1,114,808.51x = 1,538,456.01 × 631,474.01
  4. Step 4: Simplify right side
    1,114,808.51x = 971,494,991,268.13
  5. Step 5: Solve for x
    x = 971,494,991,268.13/1,114,808.51
  6. Step 6: Final answer
    x = 871,445.62

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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.