Home / 1,111,877.40-1,667,816.10-401,928.60

Finding the Fourth Proportional to 1,111,877.40, 1,667,816.10 and 401,928.60

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Solution

The fourth proportional to 1,111,877.40, 1,667,816.10 and 401,928.60 is: 602,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,877.40 : 1,667,816.10 = 401,928.60 : x
  2. Step 2: Convert to fraction form
    1,111,877.40/1,667,816.10 = 401,928.60/x
  3. Step 3: Cross multiply
    1,111,877.40x = 1,667,816.10 × 401,928.60
  4. Step 4: Simplify right side
    1,111,877.40x = 670,342,990,130.46
  5. Step 5: Solve for x
    x = 670,342,990,130.46/1,111,877.40
  6. Step 6: Final answer
    x = 602,892.90

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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.