Home / 1,114,725.85-1,538,270.18-631,294.45

Finding the Fourth Proportional to 1,114,725.85, 1,538,270.18 and 631,294.45

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Solution

The fourth proportional to 1,114,725.85, 1,538,270.18 and 631,294.45 is: 871,157.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,725.85 : 1,538,270.18 = 631,294.45 : x
  2. Step 2: Convert to fraction form
    1,114,725.85/1,538,270.18 = 631,294.45/x
  3. Step 3: Cross multiply
    1,114,725.85x = 1,538,270.18 × 631,294.45
  4. Step 4: Simplify right side
    1,114,725.85x = 971,101,424,967.06
  5. Step 5: Solve for x
    x = 971,101,424,967.06/1,114,725.85
  6. Step 6: Final answer
    x = 871,157.18

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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.