Home / 1,639,947.86-2,459,683.95-629,324.21

Finding the Fourth Proportional to 1,639,947.86, 2,459,683.95 and 629,324.21

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Solution

The fourth proportional to 1,639,947.86, 2,459,683.95 and 629,324.21 is: 943,895.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,947.86 : 2,459,683.95 = 629,324.21 : x
  2. Step 2: Convert to fraction form
    1,639,947.86/2,459,683.95 = 629,324.21/x
  3. Step 3: Cross multiply
    1,639,947.86x = 2,459,683.95 × 629,324.21
  4. Step 4: Simplify right side
    1,639,947.86x = 1,547,938,658,683.43
  5. Step 5: Solve for x
    x = 1,547,938,658,683.43/1,639,947.86
  6. Step 6: Final answer
    x = 943,895.04

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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.