Home / 1,227,270.96-1,692,184.77-840,274.02

Finding the Fourth Proportional to 1,227,270.96, 1,692,184.77 and 840,274.02

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Solution

The fourth proportional to 1,227,270.96, 1,692,184.77 and 840,274.02 is: 1,158,585.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,270.96 : 1,692,184.77 = 840,274.02 : x
  2. Step 2: Convert to fraction form
    1,227,270.96/1,692,184.77 = 840,274.02/x
  3. Step 3: Cross multiply
    1,227,270.96x = 1,692,184.77 × 840,274.02
  4. Step 4: Simplify right side
    1,227,270.96x = 1,421,898,899,270.68
  5. Step 5: Solve for x
    x = 1,421,898,899,270.68/1,227,270.96
  6. Step 6: Final answer
    x = 1,158,585.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.