Home / 1,272,548.40-1,908,779.40-325,928.40

Finding the Fourth Proportional to 1,272,548.40, 1,908,779.40 and 325,928.40

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Solution

The fourth proportional to 1,272,548.40, 1,908,779.40 and 325,928.40 is: 488,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,548.40 : 1,908,779.40 = 325,928.40 : x
  2. Step 2: Convert to fraction form
    1,272,548.40/1,908,779.40 = 325,928.40/x
  3. Step 3: Cross multiply
    1,272,548.40x = 1,908,779.40 × 325,928.40
  4. Step 4: Simplify right side
    1,272,548.40x = 622,125,415,794.96
  5. Step 5: Solve for x
    x = 622,125,415,794.96/1,272,548.40
  6. Step 6: Final answer
    x = 488,881.54

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1.5x scale

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.