Home / 1,114,677.89-1,538,350.35-631,329.02

Finding the Fourth Proportional to 1,114,677.89, 1,538,350.35 and 631,329.02

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Solution

The fourth proportional to 1,114,677.89, 1,538,350.35 and 631,329.02 is: 871,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,677.89 : 1,538,350.35 = 631,329.02 : x
  2. Step 2: Convert to fraction form
    1,114,677.89/1,538,350.35 = 631,329.02/x
  3. Step 3: Cross multiply
    1,114,677.89x = 1,538,350.35 × 631,329.02
  4. Step 4: Simplify right side
    1,114,677.89x = 971,205,211,190.41
  5. Step 5: Solve for x
    x = 971,205,211,190.41/1,114,677.89
  6. Step 6: Final answer
    x = 871,287.77

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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.