Home / 756,417.20-1,134,625.80-698,680.40

Finding the Fourth Proportional to 756,417.20, 1,134,625.80 and 698,680.40

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Solution

The fourth proportional to 756,417.20, 1,134,625.80 and 698,680.40 is: 1,048,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,417.20 : 1,134,625.80 = 698,680.40 : x
  2. Step 2: Convert to fraction form
    756,417.20/1,134,625.80 = 698,680.40/x
  3. Step 3: Cross multiply
    756,417.20x = 1,134,625.80 × 698,680.40
  4. Step 4: Simplify right side
    756,417.20x = 792,740,807,794.32
  5. Step 5: Solve for x
    x = 792,740,807,794.32/756,417.20
  6. Step 6: Final answer
    x = 1,048,020.60

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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.