Home / 1,180,175.58-1,628,624.79-663,890.46

Finding the Fourth Proportional to 1,180,175.58, 1,628,624.79 and 663,890.46

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Solution

The fourth proportional to 1,180,175.58, 1,628,624.79 and 663,890.46 is: 916,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,175.58 : 1,628,624.79 = 663,890.46 : x
  2. Step 2: Convert to fraction form
    1,180,175.58/1,628,624.79 = 663,890.46/x
  3. Step 3: Cross multiply
    1,180,175.58x = 1,628,624.79 × 663,890.46
  4. Step 4: Simplify right side
    1,180,175.58x = 1,081,228,461,000.50
  5. Step 5: Solve for x
    x = 1,081,228,461,000.50/1,180,175.58
  6. Step 6: Final answer
    x = 916,158.98

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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.