Home / 1,679,178.52-2,317,106.24-981,622.40

Finding the Fourth Proportional to 1,679,178.52, 2,317,106.24 and 981,622.40

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Solution

The fourth proportional to 1,679,178.52, 2,317,106.24 and 981,622.40 is: 1,354,545.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,178.52 : 2,317,106.24 = 981,622.40 : x
  2. Step 2: Convert to fraction form
    1,679,178.52/2,317,106.24 = 981,622.40/x
  3. Step 3: Cross multiply
    1,679,178.52x = 2,317,106.24 × 981,622.40
  4. Step 4: Simplify right side
    1,679,178.52x = 2,274,523,388,363.78
  5. Step 5: Solve for x
    x = 2,274,523,388,363.78/1,679,178.52
  6. Step 6: Final answer
    x = 1,354,545.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.