Home / 1,072,537.40-1,604,658.90-699,289.40

Finding the Fourth Proportional to 1,072,537.40, 1,604,658.90 and 699,289.40

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Solution

The fourth proportional to 1,072,537.40, 1,604,658.90 and 699,289.40 is: 1,046,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,537.40 : 1,604,658.90 = 699,289.40 : x
  2. Step 2: Convert to fraction form
    1,072,537.40/1,604,658.90 = 699,289.40/x
  3. Step 3: Cross multiply
    1,072,537.40x = 1,604,658.90 × 699,289.40
  4. Step 4: Simplify right side
    1,072,537.40x = 1,122,120,959,385.66
  5. Step 5: Solve for x
    x = 1,122,120,959,385.66/1,072,537.40
  6. Step 6: Final answer
    x = 1,046,230.14

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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.