Home / 692,738.40-1,039,107.60-672,002.40

Finding the Fourth Proportional to 692,738.40, 1,039,107.60 and 672,002.40

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Solution

The fourth proportional to 692,738.40, 1,039,107.60 and 672,002.40 is: 1,008,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,738.40 : 1,039,107.60 = 672,002.40 : x
  2. Step 2: Convert to fraction form
    692,738.40/1,039,107.60 = 672,002.40/x
  3. Step 3: Cross multiply
    692,738.40x = 1,039,107.60 × 672,002.40
  4. Step 4: Simplify right side
    692,738.40x = 698,282,801,058.24
  5. Step 5: Solve for x
    x = 698,282,801,058.24/692,738.40
  6. Step 6: Final answer
    x = 1,008,003.60

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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.