Home / 1,451,798.56-2,178,140.64-742,324.96

Finding the Fourth Proportional to 1,451,798.56, 2,178,140.64 and 742,324.96

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Solution

The fourth proportional to 1,451,798.56, 2,178,140.64 and 742,324.96 is: 1,113,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,798.56 : 2,178,140.64 = 742,324.96 : x
  2. Step 2: Convert to fraction form
    1,451,798.56/2,178,140.64 = 742,324.96/x
  3. Step 3: Cross multiply
    1,451,798.56x = 2,178,140.64 × 742,324.96
  4. Step 4: Simplify right side
    1,451,798.56x = 1,616,888,163,462.37
  5. Step 5: Solve for x
    x = 1,616,888,163,462.37/1,451,798.56
  6. Step 6: Final answer
    x = 1,113,713.85

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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.