Home / 1,293,694.17-1,785,143.12-742,381.54

Finding the Fourth Proportional to 1,293,694.17, 1,785,143.12 and 742,381.54

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Solution

The fourth proportional to 1,293,694.17, 1,785,143.12 and 742,381.54 is: 1,024,397.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,694.17 : 1,785,143.12 = 742,381.54 : x
  2. Step 2: Convert to fraction form
    1,293,694.17/1,785,143.12 = 742,381.54/x
  3. Step 3: Cross multiply
    1,293,694.17x = 1,785,143.12 × 742,381.54
  4. Step 4: Simplify right side
    1,293,694.17x = 1,325,257,297,065.53
  5. Step 5: Solve for x
    x = 1,325,257,297,065.53/1,293,694.17
  6. Step 6: Final answer
    x = 1,024,397.67

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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.