Home / 1,559,810.40-2,339,715.60-1,276,375.20

Finding the Fourth Proportional to 1,559,810.40, 2,339,715.60 and 1,276,375.20

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Solution

The fourth proportional to 1,559,810.40, 2,339,715.60 and 1,276,375.20 is: 1,914,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,810.40 : 2,339,715.60 = 1,276,375.20 : x
  2. Step 2: Convert to fraction form
    1,559,810.40/2,339,715.60 = 1,276,375.20/x
  3. Step 3: Cross multiply
    1,559,810.40x = 2,339,715.60 × 1,276,375.20
  4. Step 4: Simplify right side
    1,559,810.40x = 2,986,354,966,893.12
  5. Step 5: Solve for x
    x = 2,986,354,966,893.12/1,559,810.40
  6. Step 6: Final answer
    x = 1,914,562.80

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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.