Home / 1,542,355.90-2,314,006.79-690,144.98

Finding the Fourth Proportional to 1,542,355.90, 2,314,006.79 and 690,144.98

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Solution

The fourth proportional to 1,542,355.90, 2,314,006.79 and 690,144.98 is: 1,035,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,355.90 : 2,314,006.79 = 690,144.98 : x
  2. Step 2: Convert to fraction form
    1,542,355.90/2,314,006.79 = 690,144.98/x
  3. Step 3: Cross multiply
    1,542,355.90x = 2,314,006.79 × 690,144.98
  4. Step 4: Simplify right side
    1,542,355.90x = 1,597,000,154,783.66
  5. Step 5: Solve for x
    x = 1,597,000,154,783.66/1,542,355.90
  6. Step 6: Final answer
    x = 1,035,429.08

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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.