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Finding the Fourth Proportional to 1,124,502, 1,686,754.62 and 459,654

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Solution

The fourth proportional to 1,124,502, 1,686,754.62 and 459,654 is: 689,481.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,502 : 1,686,754.62 = 459,654 : x
  2. Step 2: Convert to fraction form
    1,124,502/1,686,754.62 = 459,654/x
  3. Step 3: Cross multiply
    1,124,502x = 1,686,754.62 × 459,654
  4. Step 4: Simplify right side
    1,124,502x = 775,323,508,101.48
  5. Step 5: Solve for x
    x = 775,323,508,101.48/1,124,502
  6. Step 6: Final answer
    x = 689,481.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.