Home / 1,666,378.35-2,299,590.67-902,414.43

Finding the Fourth Proportional to 1,666,378.35, 2,299,590.67 and 902,414.43

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Solution

The fourth proportional to 1,666,378.35, 2,299,590.67 and 902,414.43 is: 1,245,325.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,378.35 : 2,299,590.67 = 902,414.43 : x
  2. Step 2: Convert to fraction form
    1,666,378.35/2,299,590.67 = 902,414.43/x
  3. Step 3: Cross multiply
    1,666,378.35x = 2,299,590.67 × 902,414.43
  4. Step 4: Simplify right side
    1,666,378.35x = 2,075,183,803,701.37
  5. Step 5: Solve for x
    x = 2,075,183,803,701.37/1,666,378.35
  6. Step 6: Final answer
    x = 1,245,325.71

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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.