Home / 1,455,913.37-2,183,884.03-390,955.55

Finding the Fourth Proportional to 1,455,913.37, 2,183,884.03 and 390,955.55

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Solution

The fourth proportional to 1,455,913.37, 2,183,884.03 and 390,955.55 is: 586,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,913.37 : 2,183,884.03 = 390,955.55 : x
  2. Step 2: Convert to fraction form
    1,455,913.37/2,183,884.03 = 390,955.55/x
  3. Step 3: Cross multiply
    1,455,913.37x = 2,183,884.03 × 390,955.55
  4. Step 4: Simplify right side
    1,455,913.37x = 853,801,571,654.14
  5. Step 5: Solve for x
    x = 853,801,571,654.14/1,455,913.37
  6. Step 6: Final answer
    x = 586,437.07

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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.