Home / 1,272,032.39-1,908,038.86-325,401.59

Finding the Fourth Proportional to 1,272,032.39, 1,908,038.86 and 325,401.59

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Solution

The fourth proportional to 1,272,032.39, 1,908,038.86 and 325,401.59 is: 488,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,032.39 : 1,908,038.86 = 325,401.59 : x
  2. Step 2: Convert to fraction form
    1,272,032.39/1,908,038.86 = 325,401.59/x
  3. Step 3: Cross multiply
    1,272,032.39x = 1,908,038.86 × 325,401.59
  4. Step 4: Simplify right side
    1,272,032.39x = 620,878,878,825.79
  5. Step 5: Solve for x
    x = 620,878,878,825.79/1,272,032.39
  6. Step 6: Final answer
    x = 488,099.90

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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.