Home / 1,227,266.46-1,692,178.56-840,269.52

Finding the Fourth Proportional to 1,227,266.46, 1,692,178.56 and 840,269.52

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Solution

The fourth proportional to 1,227,266.46, 1,692,178.56 and 840,269.52 is: 1,158,579.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,266.46 : 1,692,178.56 = 840,269.52 : x
  2. Step 2: Convert to fraction form
    1,227,266.46/1,692,178.56 = 840,269.52/x
  3. Step 3: Cross multiply
    1,227,266.46x = 1,692,178.56 × 840,269.52
  4. Step 4: Simplify right side
    1,227,266.46x = 1,421,886,066,365.49
  5. Step 5: Solve for x
    x = 1,421,886,066,365.49/1,227,266.46
  6. Step 6: Final answer
    x = 1,158,579.75

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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.