Home / 1,886,462.40-2,830,860.16-764,541.12

Finding the Fourth Proportional to 1,886,462.40, 2,830,860.16 and 764,541.12

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Solution

The fourth proportional to 1,886,462.40, 2,830,860.16 and 764,541.12 is: 1,147,284.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,462.40 : 2,830,860.16 = 764,541.12 : x
  2. Step 2: Convert to fraction form
    1,886,462.40/2,830,860.16 = 764,541.12/x
  3. Step 3: Cross multiply
    1,886,462.40x = 2,830,860.16 × 764,541.12
  4. Step 4: Simplify right side
    1,886,462.40x = 2,164,308,997,289.78
  5. Step 5: Solve for x
    x = 2,164,308,997,289.78/1,886,462.40
  6. Step 6: Final answer
    x = 1,147,284.46

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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.