Home / 1,145,794.96-1,581,143.40-636,528.40

Finding the Fourth Proportional to 1,145,794.96, 1,581,143.40 and 636,528.40

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Solution

The fourth proportional to 1,145,794.96, 1,581,143.40 and 636,528.40 is: 878,379.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,794.96 : 1,581,143.40 = 636,528.40 : x
  2. Step 2: Convert to fraction form
    1,145,794.96/1,581,143.40 = 636,528.40/x
  3. Step 3: Cross multiply
    1,145,794.96x = 1,581,143.40 × 636,528.40
  4. Step 4: Simplify right side
    1,145,794.96x = 1,006,442,678,572.56
  5. Step 5: Solve for x
    x = 1,006,442,678,572.56/1,145,794.96
  6. Step 6: Final answer
    x = 878,379.39

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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.