Home / 1,260,288.80-1,890,715.20-461,554.40

Finding the Fourth Proportional to 1,260,288.80, 1,890,715.20 and 461,554.40

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Solution

The fourth proportional to 1,260,288.80, 1,890,715.20 and 461,554.40 is: 692,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,288.80 : 1,890,715.20 = 461,554.40 : x
  2. Step 2: Convert to fraction form
    1,260,288.80/1,890,715.20 = 461,554.40/x
  3. Step 3: Cross multiply
    1,260,288.80x = 1,890,715.20 × 461,554.40
  4. Step 4: Simplify right side
    1,260,288.80x = 872,667,919,706.88
  5. Step 5: Solve for x
    x = 872,667,919,706.88/1,260,288.80
  6. Step 6: Final answer
    x = 692,434.88

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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.