Home / 1,672,428.65-2,308,407.44-984,321.29

Finding the Fourth Proportional to 1,672,428.65, 2,308,407.44 and 984,321.29

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Solution

The fourth proportional to 1,672,428.65, 2,308,407.44 and 984,321.29 is: 1,358,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,428.65 : 2,308,407.44 = 984,321.29 : x
  2. Step 2: Convert to fraction form
    1,672,428.65/2,308,407.44 = 984,321.29/x
  3. Step 3: Cross multiply
    1,672,428.65x = 2,308,407.44 × 984,321.29
  4. Step 4: Simplify right side
    1,672,428.65x = 2,272,214,590,035.81
  5. Step 5: Solve for x
    x = 2,272,214,590,035.81/1,672,428.65
  6. Step 6: Final answer
    x = 1,358,631.71

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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.