Home / 1,272,041.52-1,908,052.52-325,410.72

Finding the Fourth Proportional to 1,272,041.52, 1,908,052.52 and 325,410.72

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Solution

The fourth proportional to 1,272,041.52, 1,908,052.52 and 325,410.72 is: 488,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,041.52 : 1,908,052.52 = 325,410.72 : x
  2. Step 2: Convert to fraction form
    1,272,041.52/1,908,052.52 = 325,410.72/x
  3. Step 3: Cross multiply
    1,272,041.52x = 1,908,052.52 × 325,410.72
  4. Step 4: Simplify right side
    1,272,041.52x = 620,900,744,331.01
  5. Step 5: Solve for x
    x = 620,900,744,331.01/1,272,041.52
  6. Step 6: Final answer
    x = 488,113.58

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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.