Home / 1,492,667.20-2,239,924.20-783,204.40

Finding the Fourth Proportional to 1,492,667.20, 2,239,924.20 and 783,204.40

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Solution

The fourth proportional to 1,492,667.20, 2,239,924.20 and 783,204.40 is: 1,175,291.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,667.20 : 2,239,924.20 = 783,204.40 : x
  2. Step 2: Convert to fraction form
    1,492,667.20/2,239,924.20 = 783,204.40/x
  3. Step 3: Cross multiply
    1,492,667.20x = 2,239,924.20 × 783,204.40
  4. Step 4: Simplify right side
    1,492,667.20x = 1,754,318,489,106.48
  5. Step 5: Solve for x
    x = 1,754,318,489,106.48/1,492,667.20
  6. Step 6: Final answer
    x = 1,175,291.11

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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.