Home / 1,123,629.70-1,685,444.55-745,716.10

Finding the Fourth Proportional to 1,123,629.70, 1,685,444.55 and 745,716.10

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Solution

The fourth proportional to 1,123,629.70, 1,685,444.55 and 745,716.10 is: 1,118,574.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,629.70 : 1,685,444.55 = 745,716.10 : x
  2. Step 2: Convert to fraction form
    1,123,629.70/1,685,444.55 = 745,716.10/x
  3. Step 3: Cross multiply
    1,123,629.70x = 1,685,444.55 × 745,716.10
  4. Step 4: Simplify right side
    1,123,629.70x = 1,256,863,136,592.25
  5. Step 5: Solve for x
    x = 1,256,863,136,592.25/1,123,629.70
  6. Step 6: Final answer
    x = 1,118,574.15

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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.