Home / 1,588,135.20-2,378,266.20-1,018,640.40

Finding the Fourth Proportional to 1,588,135.20, 2,378,266.20 and 1,018,640.40

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Solution

The fourth proportional to 1,588,135.20, 2,378,266.20 and 1,018,640.40 is: 1,525,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,135.20 : 2,378,266.20 = 1,018,640.40 : x
  2. Step 2: Convert to fraction form
    1,588,135.20/2,378,266.20 = 1,018,640.40/x
  3. Step 3: Cross multiply
    1,588,135.20x = 2,378,266.20 × 1,018,640.40
  4. Step 4: Simplify right side
    1,588,135.20x = 2,422,598,033,274.48
  5. Step 5: Solve for x
    x = 2,422,598,033,274.48/1,588,135.20
  6. Step 6: Final answer
    x = 1,525,435.64

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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.