Home / 1,492,654.20-2,239,904.70-783,191.40

Finding the Fourth Proportional to 1,492,654.20, 2,239,904.70 and 783,191.40

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Solution

The fourth proportional to 1,492,654.20, 2,239,904.70 and 783,191.40 is: 1,175,271.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,654.20 : 2,239,904.70 = 783,191.40 : x
  2. Step 2: Convert to fraction form
    1,492,654.20/2,239,904.70 = 783,191.40/x
  3. Step 3: Cross multiply
    1,492,654.20x = 2,239,904.70 × 783,191.40
  4. Step 4: Simplify right side
    1,492,654.20x = 1,754,274,097,859.58
  5. Step 5: Solve for x
    x = 1,754,274,097,859.58/1,492,654.20
  6. Step 6: Final answer
    x = 1,175,271.61

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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.