Home / 1,332,769.96-1,999,154.94-386,141.32

Finding the Fourth Proportional to 1,332,769.96, 1,999,154.94 and 386,141.32

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Solution

The fourth proportional to 1,332,769.96, 1,999,154.94 and 386,141.32 is: 579,211.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,769.96 : 1,999,154.94 = 386,141.32 : x
  2. Step 2: Convert to fraction form
    1,332,769.96/1,999,154.94 = 386,141.32/x
  3. Step 3: Cross multiply
    1,332,769.96x = 1,999,154.94 × 386,141.32
  4. Step 4: Simplify right side
    1,332,769.96x = 771,956,327,416.12
  5. Step 5: Solve for x
    x = 771,956,327,416.12/1,332,769.96
  6. Step 6: Final answer
    x = 579,211.98

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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.