Home / 988,792.57-1,364,544.26-580,911.40

Finding the Fourth Proportional to 988,792.57, 1,364,544.26 and 580,911.40

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Solution

The fourth proportional to 988,792.57, 1,364,544.26 and 580,911.40 is: 801,663.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,792.57 : 1,364,544.26 = 580,911.40 : x
  2. Step 2: Convert to fraction form
    988,792.57/1,364,544.26 = 580,911.40/x
  3. Step 3: Cross multiply
    988,792.57x = 1,364,544.26 × 580,911.40
  4. Step 4: Simplify right side
    988,792.57x = 792,679,316,438.56
  5. Step 5: Solve for x
    x = 792,679,316,438.56/988,792.57
  6. Step 6: Final answer
    x = 801,663.91

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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.