Home / 1,114,673.50-1,538,344.29-631,324.63

Finding the Fourth Proportional to 1,114,673.50, 1,538,344.29 and 631,324.63

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Solution

The fourth proportional to 1,114,673.50, 1,538,344.29 and 631,324.63 is: 871,281.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,673.50 : 1,538,344.29 = 631,324.63 : x
  2. Step 2: Convert to fraction form
    1,114,673.50/1,538,344.29 = 631,324.63/x
  3. Step 3: Cross multiply
    1,114,673.50x = 1,538,344.29 × 631,324.63
  4. Step 4: Simplify right side
    1,114,673.50x = 971,194,638,218.47
  5. Step 5: Solve for x
    x = 971,194,638,218.47/1,114,673.50
  6. Step 6: Final answer
    x = 871,281.72

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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.