Home / 1,174,409.76-1,620,676.56-637,869.60

Finding the Fourth Proportional to 1,174,409.76, 1,620,676.56 and 637,869.60

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Solution

The fourth proportional to 1,174,409.76, 1,620,676.56 and 637,869.60 is: 880,255.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,409.76 : 1,620,676.56 = 637,869.60 : x
  2. Step 2: Convert to fraction form
    1,174,409.76/1,620,676.56 = 637,869.60/x
  3. Step 3: Cross multiply
    1,174,409.76x = 1,620,676.56 × 637,869.60
  4. Step 4: Simplify right side
    1,174,409.76x = 1,033,780,309,056.58
  5. Step 5: Solve for x
    x = 1,033,780,309,056.58/1,174,409.76
  6. Step 6: Final answer
    x = 880,255.21

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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.