Home / 1,114,675.38-1,538,346.89-631,326.51

Finding the Fourth Proportional to 1,114,675.38, 1,538,346.89 and 631,326.51

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Solution

The fourth proportional to 1,114,675.38, 1,538,346.89 and 631,326.51 is: 871,284.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,675.38 : 1,538,346.89 = 631,326.51 : x
  2. Step 2: Convert to fraction form
    1,114,675.38/1,538,346.89 = 631,326.51/x
  3. Step 3: Cross multiply
    1,114,675.38x = 1,538,346.89 × 631,326.51
  4. Step 4: Simplify right side
    1,114,675.38x = 971,199,173,233.05
  5. Step 5: Solve for x
    x = 971,199,173,233.05/1,114,675.38
  6. Step 6: Final answer
    x = 871,284.31

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Double scale
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1.5x scale

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.