Home / 1,492,604.70-2,239,830.45-783,141.90

Finding the Fourth Proportional to 1,492,604.70, 2,239,830.45 and 783,141.90

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Solution

The fourth proportional to 1,492,604.70, 2,239,830.45 and 783,141.90 is: 1,175,197.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,604.70 : 2,239,830.45 = 783,141.90 : x
  2. Step 2: Convert to fraction form
    1,492,604.70/2,239,830.45 = 783,141.90/x
  3. Step 3: Cross multiply
    1,492,604.70x = 2,239,830.45 × 783,141.90
  4. Step 4: Simplify right side
    1,492,604.70x = 1,754,105,074,290.86
  5. Step 5: Solve for x
    x = 1,754,105,074,290.86/1,492,604.70
  6. Step 6: Final answer
    x = 1,175,197.34

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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.