Home / 984,746.57-1,358,112.42-679,310.15

Finding the Fourth Proportional to 984,746.57, 1,358,112.42 and 679,310.15

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Solution

The fourth proportional to 984,746.57, 1,358,112.42 and 679,310.15 is: 936,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,746.57 : 1,358,112.42 = 679,310.15 : x
  2. Step 2: Convert to fraction form
    984,746.57/1,358,112.42 = 679,310.15/x
  3. Step 3: Cross multiply
    984,746.57x = 1,358,112.42 × 679,310.15
  4. Step 4: Simplify right side
    984,746.57x = 922,579,544,956.50
  5. Step 5: Solve for x
    x = 922,579,544,956.50/984,746.57
  6. Step 6: Final answer
    x = 936,870.03

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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.