Home / 917,599.70-1,376,399.55-681,403.70

Finding the Fourth Proportional to 917,599.70, 1,376,399.55 and 681,403.70

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Solution

The fourth proportional to 917,599.70, 1,376,399.55 and 681,403.70 is: 1,022,105.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,599.70 : 1,376,399.55 = 681,403.70 : x
  2. Step 2: Convert to fraction form
    917,599.70/1,376,399.55 = 681,403.70/x
  3. Step 3: Cross multiply
    917,599.70x = 1,376,399.55 × 681,403.70
  4. Step 4: Simplify right side
    917,599.70x = 937,883,746,048.34
  5. Step 5: Solve for x
    x = 937,883,746,048.34/917,599.70
  6. Step 6: Final answer
    x = 1,022,105.55

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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.