Home / 1,436,766.30-2,154,165.30-678,970.80

Finding the Fourth Proportional to 1,436,766.30, 2,154,165.30 and 678,970.80

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Solution

The fourth proportional to 1,436,766.30, 2,154,165.30 and 678,970.80 is: 1,017,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,766.30 : 2,154,165.30 = 678,970.80 : x
  2. Step 2: Convert to fraction form
    1,436,766.30/2,154,165.30 = 678,970.80/x
  3. Step 3: Cross multiply
    1,436,766.30x = 2,154,165.30 × 678,970.80
  4. Step 4: Simplify right side
    1,436,766.30x = 1,462,615,337,073.24
  5. Step 5: Solve for x
    x = 1,462,615,337,073.24/1,436,766.30
  6. Step 6: Final answer
    x = 1,017,991.12

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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.