Home / 1,148,722.86-1,585,211.27-719,239.80

Finding the Fourth Proportional to 1,148,722.86, 1,585,211.27 and 719,239.80

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Solution

The fourth proportional to 1,148,722.86, 1,585,211.27 and 719,239.80 is: 992,534.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,722.86 : 1,585,211.27 = 719,239.80 : x
  2. Step 2: Convert to fraction form
    1,148,722.86/1,585,211.27 = 719,239.80/x
  3. Step 3: Cross multiply
    1,148,722.86x = 1,585,211.27 × 719,239.80
  4. Step 4: Simplify right side
    1,148,722.86x = 1,140,147,036,792.55
  5. Step 5: Solve for x
    x = 1,140,147,036,792.55/1,148,722.86
  6. Step 6: Final answer
    x = 992,534.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.