Home / 1,114,732.31-1,538,279.08-631,300.94

Finding the Fourth Proportional to 1,114,732.31, 1,538,279.08 and 631,300.94

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Solution

The fourth proportional to 1,114,732.31, 1,538,279.08 and 631,300.94 is: 871,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,732.31 : 1,538,279.08 = 631,300.94 : x
  2. Step 2: Convert to fraction form
    1,114,732.31/1,538,279.08 = 631,300.94/x
  3. Step 3: Cross multiply
    1,114,732.31x = 1,538,279.08 × 631,300.94
  4. Step 4: Simplify right side
    1,114,732.31x = 971,117,025,685.23
  5. Step 5: Solve for x
    x = 971,117,025,685.23/1,114,732.31
  6. Step 6: Final answer
    x = 871,166.13

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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.