Home / 1,689,542.22-2,534,007.18-678,623.34

Finding the Fourth Proportional to 1,689,542.22, 2,534,007.18 and 678,623.34

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Solution

The fourth proportional to 1,689,542.22, 2,534,007.18 and 678,623.34 is: 1,017,812.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,542.22 : 2,534,007.18 = 678,623.34 : x
  2. Step 2: Convert to fraction form
    1,689,542.22/2,534,007.18 = 678,623.34/x
  3. Step 3: Cross multiply
    1,689,542.22x = 2,534,007.18 × 678,623.34
  4. Step 4: Simplify right side
    1,689,542.22x = 1,719,636,416,075.58
  5. Step 5: Solve for x
    x = 1,719,636,416,075.58/1,689,542.22
  6. Step 6: Final answer
    x = 1,017,812.04

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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.