Home / 1,143,378.93-1,577,749.13-660,100.05

Finding the Fourth Proportional to 1,143,378.93, 1,577,749.13 and 660,100.05

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Solution

The fourth proportional to 1,143,378.93, 1,577,749.13 and 660,100.05 is: 910,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,378.93 : 1,577,749.13 = 660,100.05 : x
  2. Step 2: Convert to fraction form
    1,143,378.93/1,577,749.13 = 660,100.05/x
  3. Step 3: Cross multiply
    1,143,378.93x = 1,577,749.13 × 660,100.05
  4. Step 4: Simplify right side
    1,143,378.93x = 1,041,472,276,299.96
  5. Step 5: Solve for x
    x = 1,041,472,276,299.96/1,143,378.93
  6. Step 6: Final answer
    x = 910,872.37

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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.