Home / 1,048,395.28-1,570,287.84-866,418.32

Finding the Fourth Proportional to 1,048,395.28, 1,570,287.84 and 866,418.32

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Solution

The fourth proportional to 1,048,395.28, 1,570,287.84 and 866,418.32 is: 1,297,722.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,395.28 : 1,570,287.84 = 866,418.32 : x
  2. Step 2: Convert to fraction form
    1,048,395.28/1,570,287.84 = 866,418.32/x
  3. Step 3: Cross multiply
    1,048,395.28x = 1,570,287.84 × 866,418.32
  4. Step 4: Simplify right side
    1,048,395.28x = 1,360,526,152,249.23
  5. Step 5: Solve for x
    x = 1,360,526,152,249.23/1,048,395.28
  6. Step 6: Final answer
    x = 1,297,722.51

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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.