Home / 1,069,369.14-1,600,831.29-689,534.41

Finding the Fourth Proportional to 1,069,369.14, 1,600,831.29 and 689,534.41

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Solution

The fourth proportional to 1,069,369.14, 1,600,831.29 and 689,534.41 is: 1,032,223.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,369.14 : 1,600,831.29 = 689,534.41 : x
  2. Step 2: Convert to fraction form
    1,069,369.14/1,600,831.29 = 689,534.41/x
  3. Step 3: Cross multiply
    1,069,369.14x = 1,600,831.29 × 689,534.41
  4. Step 4: Simplify right side
    1,069,369.14x = 1,103,828,259,059.69
  5. Step 5: Solve for x
    x = 1,103,828,259,059.69/1,069,369.14
  6. Step 6: Final answer
    x = 1,032,223.78

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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.