Home / 1,716,985.20-2,575,477.80-454,940.40

Finding the Fourth Proportional to 1,716,985.20, 2,575,477.80 and 454,940.40

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Solution

The fourth proportional to 1,716,985.20, 2,575,477.80 and 454,940.40 is: 682,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716,985.20 : 2,575,477.80 = 454,940.40 : x
  2. Step 2: Convert to fraction form
    1,716,985.20/2,575,477.80 = 454,940.40/x
  3. Step 3: Cross multiply
    1,716,985.20x = 2,575,477.80 × 454,940.40
  4. Step 4: Simplify right side
    1,716,985.20x = 1,171,688,900,523.12
  5. Step 5: Solve for x
    x = 1,171,688,900,523.12/1,716,985.20
  6. Step 6: Final answer
    x = 682,410.60

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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.