Home / 1,315,900.80-1,972,320.30-606,000.60

Finding the Fourth Proportional to 1,315,900.80, 1,972,320.30 and 606,000.60

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Solution

The fourth proportional to 1,315,900.80, 1,972,320.30 and 606,000.60 is: 908,295.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,900.80 : 1,972,320.30 = 606,000.60 : x
  2. Step 2: Convert to fraction form
    1,315,900.80/1,972,320.30 = 606,000.60/x
  3. Step 3: Cross multiply
    1,315,900.80x = 1,972,320.30 × 606,000.60
  4. Step 4: Simplify right side
    1,315,900.80x = 1,195,227,285,192.18
  5. Step 5: Solve for x
    x = 1,195,227,285,192.18/1,315,900.80
  6. Step 6: Final answer
    x = 908,295.89

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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.