Home / 1,672,333.51-2,307,863.18-908,430.79

Finding the Fourth Proportional to 1,672,333.51, 2,307,863.18 and 908,430.79

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Solution

The fourth proportional to 1,672,333.51, 2,307,863.18 and 908,430.79 is: 1,253,657.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,333.51 : 2,307,863.18 = 908,430.79 : x
  2. Step 2: Convert to fraction form
    1,672,333.51/2,307,863.18 = 908,430.79/x
  3. Step 3: Cross multiply
    1,672,333.51x = 2,307,863.18 × 908,430.79
  4. Step 4: Simplify right side
    1,672,333.51x = 2,096,533,971,819.31
  5. Step 5: Solve for x
    x = 2,096,533,971,819.31/1,672,333.51
  6. Step 6: Final answer
    x = 1,253,657.81

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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.