Home / 1,114,673.19-1,538,343.86-631,324.32

Finding the Fourth Proportional to 1,114,673.19, 1,538,343.86 and 631,324.32

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Solution

The fourth proportional to 1,114,673.19, 1,538,343.86 and 631,324.32 is: 871,281.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,673.19 : 1,538,343.86 = 631,324.32 : x
  2. Step 2: Convert to fraction form
    1,114,673.19/1,538,343.86 = 631,324.32/x
  3. Step 3: Cross multiply
    1,114,673.19x = 1,538,343.86 × 631,324.32
  4. Step 4: Simplify right side
    1,114,673.19x = 971,193,891,340.68
  5. Step 5: Solve for x
    x = 971,193,891,340.68/1,114,673.19
  6. Step 6: Final answer
    x = 871,281.29

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Double scale
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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.