Home / 1,114,677.74-1,538,350.16-631,328.87

Finding the Fourth Proportional to 1,114,677.74, 1,538,350.16 and 631,328.87

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Solution

The fourth proportional to 1,114,677.74, 1,538,350.16 and 631,328.87 is: 871,287.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,677.74 : 1,538,350.16 = 631,328.87 : x
  2. Step 2: Convert to fraction form
    1,114,677.74/1,538,350.16 = 631,328.87/x
  3. Step 3: Cross multiply
    1,114,677.74x = 1,538,350.16 × 631,328.87
  4. Step 4: Simplify right side
    1,114,677.74x = 971,204,868,866.35
  5. Step 5: Solve for x
    x = 971,204,868,866.35/1,114,677.74
  6. Step 6: Final answer
    x = 871,287.58

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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.