Home / 1,119,332.60-1,678,998.90-806,737.40

Finding the Fourth Proportional to 1,119,332.60, 1,678,998.90 and 806,737.40

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Solution

The fourth proportional to 1,119,332.60, 1,678,998.90 and 806,737.40 is: 1,210,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,332.60 : 1,678,998.90 = 806,737.40 : x
  2. Step 2: Convert to fraction form
    1,119,332.60/1,678,998.90 = 806,737.40/x
  3. Step 3: Cross multiply
    1,119,332.60x = 1,678,998.90 × 806,737.40
  4. Step 4: Simplify right side
    1,119,332.60x = 1,354,511,207,188.86
  5. Step 5: Solve for x
    x = 1,354,511,207,188.86/1,119,332.60
  6. Step 6: Final answer
    x = 1,210,106.10

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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.