Home / 1,119,260.60-1,678,890.90-806,665.40

Finding the Fourth Proportional to 1,119,260.60, 1,678,890.90 and 806,665.40

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Solution

The fourth proportional to 1,119,260.60, 1,678,890.90 and 806,665.40 is: 1,209,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,260.60 : 1,678,890.90 = 806,665.40 : x
  2. Step 2: Convert to fraction form
    1,119,260.60/1,678,890.90 = 806,665.40/x
  3. Step 3: Cross multiply
    1,119,260.60x = 1,678,890.90 × 806,665.40
  4. Step 4: Simplify right side
    1,119,260.60x = 1,354,303,199,404.86
  5. Step 5: Solve for x
    x = 1,354,303,199,404.86/1,119,260.60
  6. Step 6: Final answer
    x = 1,209,998.10

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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.