Home / 1,090,624.56-1,636,684.06-380,652.60

Finding the Fourth Proportional to 1,090,624.56, 1,636,684.06 and 380,652.60

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Solution

The fourth proportional to 1,090,624.56, 1,636,684.06 and 380,652.60 is: 571,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,624.56 : 1,636,684.06 = 380,652.60 : x
  2. Step 2: Convert to fraction form
    1,090,624.56/1,636,684.06 = 380,652.60/x
  3. Step 3: Cross multiply
    1,090,624.56x = 1,636,684.06 × 380,652.60
  4. Step 4: Simplify right side
    1,090,624.56x = 623,008,042,817.56
  5. Step 5: Solve for x
    x = 623,008,042,817.56/1,090,624.56
  6. Step 6: Final answer
    x = 571,239.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.