Home / 1,455,601.14-2,183,101.02-390,390

Finding the Fourth Proportional to 1,455,601.14, 2,183,101.02 and 390,390

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Solution

The fourth proportional to 1,455,601.14, 2,183,101.02 and 390,390 is: 585,504.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,601.14 : 2,183,101.02 = 390,390 : x
  2. Step 2: Convert to fraction form
    1,455,601.14/2,183,101.02 = 390,390/x
  3. Step 3: Cross multiply
    1,455,601.14x = 2,183,101.02 × 390,390
  4. Step 4: Simplify right side
    1,455,601.14x = 852,260,807,197.80
  5. Step 5: Solve for x
    x = 852,260,807,197.80/1,455,601.14
  6. Step 6: Final answer
    x = 585,504.36

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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.