Home / 918,698.10-1,378,047.15-682,502.10

Finding the Fourth Proportional to 918,698.10, 1,378,047.15 and 682,502.10

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Solution

The fourth proportional to 918,698.10, 1,378,047.15 and 682,502.10 is: 1,023,753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,698.10 : 1,378,047.15 = 682,502.10 : x
  2. Step 2: Convert to fraction form
    918,698.10/1,378,047.15 = 682,502.10/x
  3. Step 3: Cross multiply
    918,698.10x = 1,378,047.15 × 682,502.10
  4. Step 4: Simplify right side
    918,698.10x = 940,520,073,774.02
  5. Step 5: Solve for x
    x = 940,520,073,774.02/918,698.10
  6. Step 6: Final answer
    x = 1,023,753.15

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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.