Home / 1,021,287.85-1,531,932.19-1,019,812.03

Finding the Fourth Proportional to 1,021,287.85, 1,531,932.19 and 1,019,812.03

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Solution

The fourth proportional to 1,021,287.85, 1,531,932.19 and 1,019,812.03 is: 1,529,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,287.85 : 1,531,932.19 = 1,019,812.03 : x
  2. Step 2: Convert to fraction form
    1,021,287.85/1,531,932.19 = 1,019,812.03/x
  3. Step 3: Cross multiply
    1,021,287.85x = 1,531,932.19 × 1,019,812.03
  4. Step 4: Simplify right side
    1,021,287.85x = 1,562,282,870,126.89
  5. Step 5: Solve for x
    x = 1,562,282,870,126.89/1,021,287.85
  6. Step 6: Final answer
    x = 1,529,718.46

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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.