Home / 1,451,799.56-2,178,142.14-742,325.96

Finding the Fourth Proportional to 1,451,799.56, 2,178,142.14 and 742,325.96

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Solution

The fourth proportional to 1,451,799.56, 2,178,142.14 and 742,325.96 is: 1,113,715.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,799.56 : 2,178,142.14 = 742,325.96 : x
  2. Step 2: Convert to fraction form
    1,451,799.56/2,178,142.14 = 742,325.96/x
  3. Step 3: Cross multiply
    1,451,799.56x = 2,178,142.14 × 742,325.96
  4. Step 4: Simplify right side
    1,451,799.56x = 1,616,891,455,091.95
  5. Step 5: Solve for x
    x = 1,616,891,455,091.95/1,451,799.56
  6. Step 6: Final answer
    x = 1,113,715.35

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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.