Home / 1,239,359.32-1,858,776.54-397,714.24

Finding the Fourth Proportional to 1,239,359.32, 1,858,776.54 and 397,714.24

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Solution

The fourth proportional to 1,239,359.32, 1,858,776.54 and 397,714.24 is: 596,487.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,359.32 : 1,858,776.54 = 397,714.24 : x
  2. Step 2: Convert to fraction form
    1,239,359.32/1,858,776.54 = 397,714.24/x
  3. Step 3: Cross multiply
    1,239,359.32x = 1,858,776.54 × 397,714.24
  4. Step 4: Simplify right side
    1,239,359.32x = 739,261,898,935.93
  5. Step 5: Solve for x
    x = 739,261,898,935.93/1,239,359.32
  6. Step 6: Final answer
    x = 596,487.14

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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.