Home / 1,994,333.40-2,990,916.90-714,792.60

Finding the Fourth Proportional to 1,994,333.40, 2,990,916.90 and 714,792.60

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Solution

The fourth proportional to 1,994,333.40, 2,990,916.90 and 714,792.60 is: 1,071,979.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,333.40 : 2,990,916.90 = 714,792.60 : x
  2. Step 2: Convert to fraction form
    1,994,333.40/2,990,916.90 = 714,792.60/x
  3. Step 3: Cross multiply
    1,994,333.40x = 2,990,916.90 × 714,792.60
  4. Step 4: Simplify right side
    1,994,333.40x = 2,137,885,267,334.94
  5. Step 5: Solve for x
    x = 2,137,885,267,334.94/1,994,333.40
  6. Step 6: Final answer
    x = 1,071,979.87

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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.