Home / 1,312,256.84-1,967,685.42-679,601.48

Finding the Fourth Proportional to 1,312,256.84, 1,967,685.42 and 679,601.48

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Solution

The fourth proportional to 1,312,256.84, 1,967,685.42 and 679,601.48 is: 1,019,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,256.84 : 1,967,685.42 = 679,601.48 : x
  2. Step 2: Convert to fraction form
    1,312,256.84/1,967,685.42 = 679,601.48/x
  3. Step 3: Cross multiply
    1,312,256.84x = 1,967,685.42 × 679,601.48
  4. Step 4: Simplify right side
    1,312,256.84x = 1,337,241,923,606.42
  5. Step 5: Solve for x
    x = 1,337,241,923,606.42/1,312,256.84
  6. Step 6: Final answer
    x = 1,019,039.78

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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.