Home / 1,219,654.23-1,683,077.43-703,429.73

Finding the Fourth Proportional to 1,219,654.23, 1,683,077.43 and 703,429.73

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Solution

The fourth proportional to 1,219,654.23, 1,683,077.43 and 703,429.73 is: 970,706.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,654.23 : 1,683,077.43 = 703,429.73 : x
  2. Step 2: Convert to fraction form
    1,219,654.23/1,683,077.43 = 703,429.73/x
  3. Step 3: Cross multiply
    1,219,654.23x = 1,683,077.43 × 703,429.73
  4. Step 4: Simplify right side
    1,219,654.23x = 1,183,926,712,155.32
  5. Step 5: Solve for x
    x = 1,183,926,712,155.32/1,219,654.23
  6. Step 6: Final answer
    x = 970,706.85

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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.