Home / 1,643,234.40-2,460,704.40-1,311,458.40

Finding the Fourth Proportional to 1,643,234.40, 2,460,704.40 and 1,311,458.40

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Solution

The fourth proportional to 1,643,234.40, 2,460,704.40 and 1,311,458.40 is: 1,963,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,234.40 : 2,460,704.40 = 1,311,458.40 : x
  2. Step 2: Convert to fraction form
    1,643,234.40/2,460,704.40 = 1,311,458.40/x
  3. Step 3: Cross multiply
    1,643,234.40x = 2,460,704.40 × 1,311,458.40
  4. Step 4: Simplify right side
    1,643,234.40x = 3,227,111,455,296.96
  5. Step 5: Solve for x
    x = 3,227,111,455,296.96/1,643,234.40
  6. Step 6: Final answer
    x = 1,963,877.74

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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.