Home / 1,017,612.45-1,526,640.10-307,622.03

Finding the Fourth Proportional to 1,017,612.45, 1,526,640.10 and 307,622.03

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Solution

The fourth proportional to 1,017,612.45, 1,526,640.10 and 307,622.03 is: 461,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,612.45 : 1,526,640.10 = 307,622.03 : x
  2. Step 2: Convert to fraction form
    1,017,612.45/1,526,640.10 = 307,622.03/x
  3. Step 3: Cross multiply
    1,017,612.45x = 1,526,640.10 × 307,622.03
  4. Step 4: Simplify right side
    1,017,612.45x = 469,628,126,641.40
  5. Step 5: Solve for x
    x = 469,628,126,641.40/1,017,612.45
  6. Step 6: Final answer
    x = 461,499.98

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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.