Home / 1,143,749.88-1,715,637.14-345,038.34

Finding the Fourth Proportional to 1,143,749.88, 1,715,637.14 and 345,038.34

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Solution

The fourth proportional to 1,143,749.88, 1,715,637.14 and 345,038.34 is: 517,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,749.88 : 1,715,637.14 = 345,038.34 : x
  2. Step 2: Convert to fraction form
    1,143,749.88/1,715,637.14 = 345,038.34/x
  3. Step 3: Cross multiply
    1,143,749.88x = 1,715,637.14 × 345,038.34
  4. Step 4: Simplify right side
    1,143,749.88x = 591,960,589,102.76
  5. Step 5: Solve for x
    x = 591,960,589,102.76/1,143,749.88
  6. Step 6: Final answer
    x = 517,561.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.