Home / 1,639,947.36-2,459,683.20-629,323.71

Finding the Fourth Proportional to 1,639,947.36, 2,459,683.20 and 629,323.71

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Solution

The fourth proportional to 1,639,947.36, 2,459,683.20 and 629,323.71 is: 943,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,947.36 : 2,459,683.20 = 629,323.71 : x
  2. Step 2: Convert to fraction form
    1,639,947.36/2,459,683.20 = 629,323.71/x
  3. Step 3: Cross multiply
    1,639,947.36x = 2,459,683.20 × 629,323.71
  4. Step 4: Simplify right side
    1,639,947.36x = 1,547,936,956,848.67
  5. Step 5: Solve for x
    x = 1,547,936,956,848.67/1,639,947.36
  6. Step 6: Final answer
    x = 943,894.29

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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.