Home / 1,430,830.40-2,146,245.60-365,955.80

Finding the Fourth Proportional to 1,430,830.40, 2,146,245.60 and 365,955.80

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Solution

The fourth proportional to 1,430,830.40, 2,146,245.60 and 365,955.80 is: 548,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,830.40 : 2,146,245.60 = 365,955.80 : x
  2. Step 2: Convert to fraction form
    1,430,830.40/2,146,245.60 = 365,955.80/x
  3. Step 3: Cross multiply
    1,430,830.40x = 2,146,245.60 × 365,955.80
  4. Step 4: Simplify right side
    1,430,830.40x = 785,431,025,544.48
  5. Step 5: Solve for x
    x = 785,431,025,544.48/1,430,830.40
  6. Step 6: Final answer
    x = 548,933.70

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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.