Home / 1,214,089.40-1,816,986.90-1,064,790.20

Finding the Fourth Proportional to 1,214,089.40, 1,816,986.90 and 1,064,790.20

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Solution

The fourth proportional to 1,214,089.40, 1,816,986.90 and 1,064,790.20 is: 1,593,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,089.40 : 1,816,986.90 = 1,064,790.20 : x
  2. Step 2: Convert to fraction form
    1,214,089.40/1,816,986.90 = 1,064,790.20/x
  3. Step 3: Cross multiply
    1,214,089.40x = 1,816,986.90 × 1,064,790.20
  4. Step 4: Simplify right side
    1,214,089.40x = 1,934,709,844,648.38
  5. Step 5: Solve for x
    x = 1,934,709,844,648.38/1,214,089.40
  6. Step 6: Final answer
    x = 1,593,548.09

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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.