Home / 1,439,754.95-2,159,894.87-720,472.79

Finding the Fourth Proportional to 1,439,754.95, 2,159,894.87 and 720,472.79

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Solution

The fourth proportional to 1,439,754.95, 2,159,894.87 and 720,472.79 is: 1,080,840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,754.95 : 2,159,894.87 = 720,472.79 : x
  2. Step 2: Convert to fraction form
    1,439,754.95/2,159,894.87 = 720,472.79/x
  3. Step 3: Cross multiply
    1,439,754.95x = 2,159,894.87 × 720,472.79
  4. Step 4: Simplify right side
    1,439,754.95x = 1,556,145,468,693.75
  5. Step 5: Solve for x
    x = 1,556,145,468,693.75/1,439,754.95
  6. Step 6: Final answer
    x = 1,080,840.51

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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.