Home / 1,323,698.70-1,986,108.04-723,959.70

Finding the Fourth Proportional to 1,323,698.70, 1,986,108.04 and 723,959.70

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Solution

The fourth proportional to 1,323,698.70, 1,986,108.04 and 723,959.70 is: 1,086,245.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,698.70 : 1,986,108.04 = 723,959.70 : x
  2. Step 2: Convert to fraction form
    1,323,698.70/1,986,108.04 = 723,959.70/x
  3. Step 3: Cross multiply
    1,323,698.70x = 1,986,108.04 × 723,959.70
  4. Step 4: Simplify right side
    1,323,698.70x = 1,437,862,180,805.99
  5. Step 5: Solve for x
    x = 1,437,862,180,805.99/1,323,698.70
  6. Step 6: Final answer
    x = 1,086,245.82

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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.