Home / 1,281,196.08-1,923,123.86-742,504.86

Finding the Fourth Proportional to 1,281,196.08, 1,923,123.86 and 742,504.86

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Solution

The fourth proportional to 1,281,196.08, 1,923,123.86 and 742,504.86 is: 1,114,527.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,196.08 : 1,923,123.86 = 742,504.86 : x
  2. Step 2: Convert to fraction form
    1,281,196.08/1,923,123.86 = 742,504.86/x
  3. Step 3: Cross multiply
    1,281,196.08x = 1,923,123.86 × 742,504.86
  4. Step 4: Simplify right side
    1,281,196.08x = 1,427,928,812,431.96
  5. Step 5: Solve for x
    x = 1,427,928,812,431.96/1,281,196.08
  6. Step 6: Final answer
    x = 1,114,527.93

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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.