Home / 1,114,724.39-1,538,268.18-631,293.00

Finding the Fourth Proportional to 1,114,724.39, 1,538,268.18 and 631,293.00

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Solution

The fourth proportional to 1,114,724.39, 1,538,268.18 and 631,293.00 is: 871,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,724.39 : 1,538,268.18 = 631,293.00 : x
  2. Step 2: Convert to fraction form
    1,114,724.39/1,538,268.18 = 631,293.00/x
  3. Step 3: Cross multiply
    1,114,724.39x = 1,538,268.18 × 631,293.00
  4. Step 4: Simplify right side
    1,114,724.39x = 971,097,937,724.62
  5. Step 5: Solve for x
    x = 971,097,937,724.62/1,114,724.39
  6. Step 6: Final answer
    x = 871,155.19

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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.