Home / 1,553,311.86-2,330,233.47-711,935.70

Finding the Fourth Proportional to 1,553,311.86, 2,330,233.47 and 711,935.70

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Solution

The fourth proportional to 1,553,311.86, 2,330,233.47 and 711,935.70 is: 1,068,025.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,311.86 : 2,330,233.47 = 711,935.70 : x
  2. Step 2: Convert to fraction form
    1,553,311.86/2,330,233.47 = 711,935.70/x
  3. Step 3: Cross multiply
    1,553,311.86x = 2,330,233.47 × 711,935.70
  4. Step 4: Simplify right side
    1,553,311.86x = 1,658,976,396,627.88
  5. Step 5: Solve for x
    x = 1,658,976,396,627.88/1,553,311.86
  6. Step 6: Final answer
    x = 1,068,025.32

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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.