Home / 1,437,808.05-2,157,018.26-426,932.91

Finding the Fourth Proportional to 1,437,808.05, 2,157,018.26 and 426,932.91

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Solution

The fourth proportional to 1,437,808.05, 2,157,018.26 and 426,932.91 is: 640,490.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,808.05 : 2,157,018.26 = 426,932.91 : x
  2. Step 2: Convert to fraction form
    1,437,808.05/2,157,018.26 = 426,932.91/x
  3. Step 3: Cross multiply
    1,437,808.05x = 2,157,018.26 × 426,932.91
  4. Step 4: Simplify right side
    1,437,808.05x = 920,902,080,530.27
  5. Step 5: Solve for x
    x = 920,902,080,530.27/1,437,808.05
  6. Step 6: Final answer
    x = 640,490.28

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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.