Home / 1,092,457.70-1,638,701.74-418,573.14

Finding the Fourth Proportional to 1,092,457.70, 1,638,701.74 and 418,573.14

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Solution

The fourth proportional to 1,092,457.70, 1,638,701.74 and 418,573.14 is: 627,865.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,457.70 : 1,638,701.74 = 418,573.14 : x
  2. Step 2: Convert to fraction form
    1,092,457.70/1,638,701.74 = 418,573.14/x
  3. Step 3: Cross multiply
    1,092,457.70x = 1,638,701.74 × 418,573.14
  4. Step 4: Simplify right side
    1,092,457.70x = 685,916,532,835.26
  5. Step 5: Solve for x
    x = 685,916,532,835.26/1,092,457.70
  6. Step 6: Final answer
    x = 627,865.53

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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.