Home / 1,117,511.51-1,542,462.46-688,151.48

Finding the Fourth Proportional to 1,117,511.51, 1,542,462.46 and 688,151.48

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Solution

The fourth proportional to 1,117,511.51, 1,542,462.46 and 688,151.48 is: 949,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,511.51 : 1,542,462.46 = 688,151.48 : x
  2. Step 2: Convert to fraction form
    1,117,511.51/1,542,462.46 = 688,151.48/x
  3. Step 3: Cross multiply
    1,117,511.51x = 1,542,462.46 × 688,151.48
  4. Step 4: Simplify right side
    1,117,511.51x = 1,061,447,815,260.75
  5. Step 5: Solve for x
    x = 1,061,447,815,260.75/1,117,511.51
  6. Step 6: Final answer
    x = 949,831.67

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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.