Home / 1,306,501.64-1,959,751.53-408,020.37

Finding the Fourth Proportional to 1,306,501.64, 1,959,751.53 and 408,020.37

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Solution

The fourth proportional to 1,306,501.64, 1,959,751.53 and 408,020.37 is: 612,030.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,501.64 : 1,959,751.53 = 408,020.37 : x
  2. Step 2: Convert to fraction form
    1,306,501.64/1,959,751.53 = 408,020.37/x
  3. Step 3: Cross multiply
    1,306,501.64x = 1,959,751.53 × 408,020.37
  4. Step 4: Simplify right side
    1,306,501.64x = 799,618,544,378.67
  5. Step 5: Solve for x
    x = 799,618,544,378.67/1,306,501.64
  6. Step 6: Final answer
    x = 612,030.27

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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.