Home / 1,145,658.80-1,718,488.20-304,295.60

Finding the Fourth Proportional to 1,145,658.80, 1,718,488.20 and 304,295.60

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Solution

The fourth proportional to 1,145,658.80, 1,718,488.20 and 304,295.60 is: 456,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,658.80 : 1,718,488.20 = 304,295.60 : x
  2. Step 2: Convert to fraction form
    1,145,658.80/1,718,488.20 = 304,295.60/x
  3. Step 3: Cross multiply
    1,145,658.80x = 1,718,488.20 × 304,295.60
  4. Step 4: Simplify right side
    1,145,658.80x = 522,928,397,911.92
  5. Step 5: Solve for x
    x = 522,928,397,911.92/1,145,658.80
  6. Step 6: Final answer
    x = 456,443.40

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Similar ratio
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1.5x scale

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.