Home / 1,780,788.78-2,457,490.59-964,985.34

Finding the Fourth Proportional to 1,780,788.78, 2,457,490.59 and 964,985.34

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Solution

The fourth proportional to 1,780,788.78, 2,457,490.59 and 964,985.34 is: 1,331,680.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,788.78 : 2,457,490.59 = 964,985.34 : x
  2. Step 2: Convert to fraction form
    1,780,788.78/2,457,490.59 = 964,985.34/x
  3. Step 3: Cross multiply
    1,780,788.78x = 2,457,490.59 × 964,985.34
  4. Step 4: Simplify right side
    1,780,788.78x = 2,371,442,392,537.95
  5. Step 5: Solve for x
    x = 2,371,442,392,537.95/1,780,788.78
  6. Step 6: Final answer
    x = 1,331,680.89

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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.