Home / 1,945,657.99-2,918,446.53-648,903.79

Finding the Fourth Proportional to 1,945,657.99, 2,918,446.53 and 648,903.79

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Solution

The fourth proportional to 1,945,657.99, 2,918,446.53 and 648,903.79 is: 973,342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,657.99 : 2,918,446.53 = 648,903.79 : x
  2. Step 2: Convert to fraction form
    1,945,657.99/2,918,446.53 = 648,903.79/x
  3. Step 3: Cross multiply
    1,945,657.99x = 2,918,446.53 × 648,903.79
  4. Step 4: Simplify right side
    1,945,657.99x = 1,893,791,014,229.35
  5. Step 5: Solve for x
    x = 1,893,791,014,229.35/1,945,657.99
  6. Step 6: Final answer
    x = 973,342.19

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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.