Home / 694,018.20-1,041,027.30-686,645.40

Finding the Fourth Proportional to 694,018.20, 1,041,027.30 and 686,645.40

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Solution

The fourth proportional to 694,018.20, 1,041,027.30 and 686,645.40 is: 1,029,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,018.20 : 1,041,027.30 = 686,645.40 : x
  2. Step 2: Convert to fraction form
    694,018.20/1,041,027.30 = 686,645.40/x
  3. Step 3: Cross multiply
    694,018.20x = 1,041,027.30 × 686,645.40
  4. Step 4: Simplify right side
    694,018.20x = 714,816,606,819.42
  5. Step 5: Solve for x
    x = 714,816,606,819.42/694,018.20
  6. Step 6: Final answer
    x = 1,029,968.10

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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.