Home / 1,292,703.76-1,935,410.10-684,113.50

Finding the Fourth Proportional to 1,292,703.76, 1,935,410.10 and 684,113.50

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Solution

The fourth proportional to 1,292,703.76, 1,935,410.10 and 684,113.50 is: 1,024,240.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,703.76 : 1,935,410.10 = 684,113.50 : x
  2. Step 2: Convert to fraction form
    1,292,703.76/1,935,410.10 = 684,113.50/x
  3. Step 3: Cross multiply
    1,292,703.76x = 1,935,410.10 × 684,113.50
  4. Step 4: Simplify right side
    1,292,703.76x = 1,324,040,177,446.35
  5. Step 5: Solve for x
    x = 1,324,040,177,446.35/1,292,703.76
  6. Step 6: Final answer
    x = 1,024,240.99

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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.