Home / 1,100,807.60-1,651,211.40-764,884.40

Finding the Fourth Proportional to 1,100,807.60, 1,651,211.40 and 764,884.40

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Solution

The fourth proportional to 1,100,807.60, 1,651,211.40 and 764,884.40 is: 1,147,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,807.60 : 1,651,211.40 = 764,884.40 : x
  2. Step 2: Convert to fraction form
    1,100,807.60/1,651,211.40 = 764,884.40/x
  3. Step 3: Cross multiply
    1,100,807.60x = 1,651,211.40 × 764,884.40
  4. Step 4: Simplify right side
    1,100,807.60x = 1,262,985,840,962.16
  5. Step 5: Solve for x
    x = 1,262,985,840,962.16/1,100,807.60
  6. Step 6: Final answer
    x = 1,147,326.60

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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.