Home / 1,003,631.76-1,506,942.32-405,760.64

Finding the Fourth Proportional to 1,003,631.76, 1,506,942.32 and 405,760.64

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Solution

The fourth proportional to 1,003,631.76, 1,506,942.32 and 405,760.64 is: 609,245.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,631.76 : 1,506,942.32 = 405,760.64 : x
  2. Step 2: Convert to fraction form
    1,003,631.76/1,506,942.32 = 405,760.64/x
  3. Step 3: Cross multiply
    1,003,631.76x = 1,506,942.32 × 405,760.64
  4. Step 4: Simplify right side
    1,003,631.76x = 611,457,870,642.77
  5. Step 5: Solve for x
    x = 611,457,870,642.77/1,003,631.76
  6. Step 6: Final answer
    x = 609,245.24

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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.