Home / 1,439,636.24-2,159,232.92-480,108.72

Finding the Fourth Proportional to 1,439,636.24, 2,159,232.92 and 480,108.72

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Solution

The fourth proportional to 1,439,636.24, 2,159,232.92 and 480,108.72 is: 720,089.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,636.24 : 2,159,232.92 = 480,108.72 : x
  2. Step 2: Convert to fraction form
    1,439,636.24/2,159,232.92 = 480,108.72/x
  3. Step 3: Cross multiply
    1,439,636.24x = 2,159,232.92 × 480,108.72
  4. Step 4: Simplify right side
    1,439,636.24x = 1,036,666,553,403.06
  5. Step 5: Solve for x
    x = 1,036,666,553,403.06/1,439,636.24
  6. Step 6: Final answer
    x = 720,089.23

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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.