Home / 1,426,353.32-1,968,584.37-910,329.86

Finding the Fourth Proportional to 1,426,353.32, 1,968,584.37 and 910,329.86

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Solution

The fourth proportional to 1,426,353.32, 1,968,584.37 and 910,329.86 is: 1,256,393.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,353.32 : 1,968,584.37 = 910,329.86 : x
  2. Step 2: Convert to fraction form
    1,426,353.32/1,968,584.37 = 910,329.86/x
  3. Step 3: Cross multiply
    1,426,353.32x = 1,968,584.37 × 910,329.86
  4. Step 4: Simplify right side
    1,426,353.32x = 1,792,061,133,940.29
  5. Step 5: Solve for x
    x = 1,792,061,133,940.29/1,426,353.32
  6. Step 6: Final answer
    x = 1,256,393.57

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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.