Home / 1,123,847.70-1,685,771.55-745,934.10

Finding the Fourth Proportional to 1,123,847.70, 1,685,771.55 and 745,934.10

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Solution

The fourth proportional to 1,123,847.70, 1,685,771.55 and 745,934.10 is: 1,118,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,847.70 : 1,685,771.55 = 745,934.10 : x
  2. Step 2: Convert to fraction form
    1,123,847.70/1,685,771.55 = 745,934.10/x
  3. Step 3: Cross multiply
    1,123,847.70x = 1,685,771.55 × 745,934.10
  4. Step 4: Simplify right side
    1,123,847.70x = 1,257,474,483,954.86
  5. Step 5: Solve for x
    x = 1,257,474,483,954.86/1,123,847.70
  6. Step 6: Final answer
    x = 1,118,901.15

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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.