Home / 1,140,697.36-1,573,997.48-631,398.56

Finding the Fourth Proportional to 1,140,697.36, 1,573,997.48 and 631,398.56

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Solution

The fourth proportional to 1,140,697.36, 1,573,997.48 and 631,398.56 is: 871,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,697.36 : 1,573,997.48 = 631,398.56 : x
  2. Step 2: Convert to fraction form
    1,140,697.36/1,573,997.48 = 631,398.56/x
  3. Step 3: Cross multiply
    1,140,697.36x = 1,573,997.48 × 631,398.56
  4. Step 4: Simplify right side
    1,140,697.36x = 993,819,742,315.63
  5. Step 5: Solve for x
    x = 993,819,742,315.63/1,140,697.36
  6. Step 6: Final answer
    x = 871,238.75

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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.