Home / 1,780,790.78-2,457,493.36-964,987.34

Finding the Fourth Proportional to 1,780,790.78, 2,457,493.36 and 964,987.34

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Solution

The fourth proportional to 1,780,790.78, 2,457,493.36 and 964,987.34 is: 1,331,683.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,790.78 : 2,457,493.36 = 964,987.34 : x
  2. Step 2: Convert to fraction form
    1,780,790.78/2,457,493.36 = 964,987.34/x
  3. Step 3: Cross multiply
    1,780,790.78x = 2,457,493.36 × 964,987.34
  4. Step 4: Simplify right side
    1,780,790.78x = 2,371,449,980,534.06
  5. Step 5: Solve for x
    x = 2,371,449,980,534.06/1,780,790.78
  6. Step 6: Final answer
    x = 1,331,683.66

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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.