Home / 1,358,439.42-1,874,688.54-746,581.02

Finding the Fourth Proportional to 1,358,439.42, 1,874,688.54 and 746,581.02

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Solution

The fourth proportional to 1,358,439.42, 1,874,688.54 and 746,581.02 is: 1,030,304.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,439.42 : 1,874,688.54 = 746,581.02 : x
  2. Step 2: Convert to fraction form
    1,358,439.42/1,874,688.54 = 746,581.02/x
  3. Step 3: Cross multiply
    1,358,439.42x = 1,874,688.54 × 746,581.02
  4. Step 4: Simplify right side
    1,358,439.42x = 1,399,606,882,375.51
  5. Step 5: Solve for x
    x = 1,399,606,882,375.51/1,358,439.42
  6. Step 6: Final answer
    x = 1,030,304.97

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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.