Home / 1,545,415.80-2,318,123.70-408,175.80

Finding the Fourth Proportional to 1,545,415.80, 2,318,123.70 and 408,175.80

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Solution

The fourth proportional to 1,545,415.80, 2,318,123.70 and 408,175.80 is: 612,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,415.80 : 2,318,123.70 = 408,175.80 : x
  2. Step 2: Convert to fraction form
    1,545,415.80/2,318,123.70 = 408,175.80/x
  3. Step 3: Cross multiply
    1,545,415.80x = 2,318,123.70 × 408,175.80
  4. Step 4: Simplify right side
    1,545,415.80x = 946,201,995,746.46
  5. Step 5: Solve for x
    x = 946,201,995,746.46/1,545,415.80
  6. Step 6: Final answer
    x = 612,263.70

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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.