Home / 1,290,512.89-1,931,238.60-1,060,127.02

Finding the Fourth Proportional to 1,290,512.89, 1,931,238.60 and 1,060,127.02

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Solution

The fourth proportional to 1,290,512.89, 1,931,238.60 and 1,060,127.02 is: 1,586,468.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,512.89 : 1,931,238.60 = 1,060,127.02 : x
  2. Step 2: Convert to fraction form
    1,290,512.89/1,931,238.60 = 1,060,127.02/x
  3. Step 3: Cross multiply
    1,290,512.89x = 1,931,238.60 × 1,060,127.02
  4. Step 4: Simplify right side
    1,290,512.89x = 2,047,358,221,926.97
  5. Step 5: Solve for x
    x = 2,047,358,221,926.97/1,290,512.89
  6. Step 6: Final answer
    x = 1,586,468.63

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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.