Home / 1,048,393.20-1,570,284.72-866,416.20

Finding the Fourth Proportional to 1,048,393.20, 1,570,284.72 and 866,416.20

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Solution

The fourth proportional to 1,048,393.20, 1,570,284.72 and 866,416.20 is: 1,297,719.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,393.20 : 1,570,284.72 = 866,416.20 : x
  2. Step 2: Convert to fraction form
    1,048,393.20/1,570,284.72 = 866,416.20/x
  3. Step 3: Cross multiply
    1,048,393.20x = 1,570,284.72 × 866,416.20
  4. Step 4: Simplify right side
    1,048,393.20x = 1,360,520,120,020.46
  5. Step 5: Solve for x
    x = 1,360,520,120,020.46/1,048,393.20
  6. Step 6: Final answer
    x = 1,297,719.33

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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.