Home / 1,148,870.90-1,584,409.74-719,190.20

Finding the Fourth Proportional to 1,148,870.90, 1,584,409.74 and 719,190.20

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Solution

The fourth proportional to 1,148,870.90, 1,584,409.74 and 719,190.20 is: 991,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,870.90 : 1,584,409.74 = 719,190.20 : x
  2. Step 2: Convert to fraction form
    1,148,870.90/1,584,409.74 = 719,190.20/x
  3. Step 3: Cross multiply
    1,148,870.90x = 1,584,409.74 × 719,190.20
  4. Step 4: Simplify right side
    1,148,870.90x = 1,139,491,957,792.55
  5. Step 5: Solve for x
    x = 1,139,491,957,792.55/1,148,870.90
  6. Step 6: Final answer
    x = 991,836.38

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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.