Home / 1,721,831.80-2,581,826.10-723,431.80

Finding the Fourth Proportional to 1,721,831.80, 2,581,826.10 and 723,431.80

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Solution

The fourth proportional to 1,721,831.80, 2,581,826.10 and 723,431.80 is: 1,084,760.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,831.80 : 2,581,826.10 = 723,431.80 : x
  2. Step 2: Convert to fraction form
    1,721,831.80/2,581,826.10 = 723,431.80/x
  3. Step 3: Cross multiply
    1,721,831.80x = 2,581,826.10 × 723,431.80
  4. Step 4: Simplify right side
    1,721,831.80x = 1,867,775,102,809.98
  5. Step 5: Solve for x
    x = 1,867,775,102,809.98/1,721,831.80
  6. Step 6: Final answer
    x = 1,084,760.49

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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.