Home / 1,114,635.77-1,538,197.30-631,294.35

Finding the Fourth Proportional to 1,114,635.77, 1,538,197.30 and 631,294.35

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Solution

The fourth proportional to 1,114,635.77, 1,538,197.30 and 631,294.35 is: 871,186.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,635.77 : 1,538,197.30 = 631,294.35 : x
  2. Step 2: Convert to fraction form
    1,114,635.77/1,538,197.30 = 631,294.35/x
  3. Step 3: Cross multiply
    1,114,635.77x = 1,538,197.30 × 631,294.35
  4. Step 4: Simplify right side
    1,114,635.77x = 971,055,264,675.26
  5. Step 5: Solve for x
    x = 971,055,264,675.26/1,114,635.77
  6. Step 6: Final answer
    x = 871,186.17

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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.