Home / 1,114,675.13-1,538,346.55-631,326.26

Finding the Fourth Proportional to 1,114,675.13, 1,538,346.55 and 631,326.26

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Solution

The fourth proportional to 1,114,675.13, 1,538,346.55 and 631,326.26 is: 871,283.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,675.13 : 1,538,346.55 = 631,326.26 : x
  2. Step 2: Convert to fraction form
    1,114,675.13/1,538,346.55 = 631,326.26/x
  3. Step 3: Cross multiply
    1,114,675.13x = 1,538,346.55 × 631,326.26
  4. Step 4: Simplify right side
    1,114,675.13x = 971,198,573,995.40
  5. Step 5: Solve for x
    x = 971,198,573,995.40/1,114,675.13
  6. Step 6: Final answer
    x = 871,283.97

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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.