Home / 1,123,471.70-1,685,207.55-808,543.70

Finding the Fourth Proportional to 1,123,471.70, 1,685,207.55 and 808,543.70

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Solution

The fourth proportional to 1,123,471.70, 1,685,207.55 and 808,543.70 is: 1,212,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,471.70 : 1,685,207.55 = 808,543.70 : x
  2. Step 2: Convert to fraction form
    1,123,471.70/1,685,207.55 = 808,543.70/x
  3. Step 3: Cross multiply
    1,123,471.70x = 1,685,207.55 × 808,543.70
  4. Step 4: Simplify right side
    1,123,471.70x = 1,362,563,947,744.94
  5. Step 5: Solve for x
    x = 1,362,563,947,744.94/1,123,471.70
  6. Step 6: Final answer
    x = 1,212,815.55

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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.