Home / 1,243,998.51-1,866,082.56-423,002.86

Finding the Fourth Proportional to 1,243,998.51, 1,866,082.56 and 423,002.86

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Solution

The fourth proportional to 1,243,998.51, 1,866,082.56 and 423,002.86 is: 634,533.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,998.51 : 1,866,082.56 = 423,002.86 : x
  2. Step 2: Convert to fraction form
    1,243,998.51/1,866,082.56 = 423,002.86/x
  3. Step 3: Cross multiply
    1,243,998.51x = 1,866,082.56 × 423,002.86
  4. Step 4: Simplify right side
    1,243,998.51x = 789,358,253,624.65
  5. Step 5: Solve for x
    x = 789,358,253,624.65/1,243,998.51
  6. Step 6: Final answer
    x = 634,533.12

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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.