Home / 1,223,008.23-1,687,794.84-679,153.27

Finding the Fourth Proportional to 1,223,008.23, 1,687,794.84 and 679,153.27

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Solution

The fourth proportional to 1,223,008.23, 1,687,794.84 and 679,153.27 is: 937,255.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,008.23 : 1,687,794.84 = 679,153.27 : x
  2. Step 2: Convert to fraction form
    1,223,008.23/1,687,794.84 = 679,153.27/x
  3. Step 3: Cross multiply
    1,223,008.23x = 1,687,794.84 × 679,153.27
  4. Step 4: Simplify right side
    1,223,008.23x = 1,146,271,381,279.36
  5. Step 5: Solve for x
    x = 1,146,271,381,279.36/1,223,008.23
  6. Step 6: Final answer
    x = 937,255.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.