Home / 1,455,914.37-2,183,885.53-390,956.55

Finding the Fourth Proportional to 1,455,914.37, 2,183,885.53 and 390,956.55

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Solution

The fourth proportional to 1,455,914.37, 2,183,885.53 and 390,956.55 is: 586,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,914.37 : 2,183,885.53 = 390,956.55 : x
  2. Step 2: Convert to fraction form
    1,455,914.37/2,183,885.53 = 390,956.55/x
  3. Step 3: Cross multiply
    1,455,914.37x = 2,183,885.53 × 390,956.55
  4. Step 4: Simplify right side
    1,455,914.37x = 853,804,352,403.72
  5. Step 5: Solve for x
    x = 853,804,352,403.72/1,455,914.37
  6. Step 6: Final answer
    x = 586,438.58

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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.