Home / 1,483,687.80-2,225,531.70-853,831.80

Finding the Fourth Proportional to 1,483,687.80, 2,225,531.70 and 853,831.80

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Solution

The fourth proportional to 1,483,687.80, 2,225,531.70 and 853,831.80 is: 1,280,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483,687.80 : 2,225,531.70 = 853,831.80 : x
  2. Step 2: Convert to fraction form
    1,483,687.80/2,225,531.70 = 853,831.80/x
  3. Step 3: Cross multiply
    1,483,687.80x = 2,225,531.70 × 853,831.80
  4. Step 4: Simplify right side
    1,483,687.80x = 1,900,229,737,368.06
  5. Step 5: Solve for x
    x = 1,900,229,737,368.06/1,483,687.80
  6. Step 6: Final answer
    x = 1,280,747.70

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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.