Home / 1,114,739.69-1,538,289.26-631,308.30

Finding the Fourth Proportional to 1,114,739.69, 1,538,289.26 and 631,308.30

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Solution

The fourth proportional to 1,114,739.69, 1,538,289.26 and 631,308.30 is: 871,176.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,739.69 : 1,538,289.26 = 631,308.30 : x
  2. Step 2: Convert to fraction form
    1,114,739.69/1,538,289.26 = 631,308.30/x
  3. Step 3: Cross multiply
    1,114,739.69x = 1,538,289.26 × 631,308.30
  4. Step 4: Simplify right side
    1,114,739.69x = 971,134,771,081.14
  5. Step 5: Solve for x
    x = 971,134,771,081.14/1,114,739.69
  6. Step 6: Final answer
    x = 871,176.28

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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.