Home / 1,141,291.60-1,711,807.80-299,928.40

Finding the Fourth Proportional to 1,141,291.60, 1,711,807.80 and 299,928.40

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Solution

The fourth proportional to 1,141,291.60, 1,711,807.80 and 299,928.40 is: 449,858.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,291.60 : 1,711,807.80 = 299,928.40 : x
  2. Step 2: Convert to fraction form
    1,141,291.60/1,711,807.80 = 299,928.40/x
  3. Step 3: Cross multiply
    1,141,291.60x = 1,711,807.80 × 299,928.40
  4. Step 4: Simplify right side
    1,141,291.60x = 513,419,774,561.52
  5. Step 5: Solve for x
    x = 513,419,774,561.52/1,141,291.60
  6. Step 6: Final answer
    x = 449,858.54

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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.