Home / 1,048,386.20-1,570,274.22-866,409.20

Finding the Fourth Proportional to 1,048,386.20, 1,570,274.22 and 866,409.20

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Solution

The fourth proportional to 1,048,386.20, 1,570,274.22 and 866,409.20 is: 1,297,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,386.20 : 1,570,274.22 = 866,409.20 : x
  2. Step 2: Convert to fraction form
    1,048,386.20/1,570,274.22 = 866,409.20/x
  3. Step 3: Cross multiply
    1,048,386.20x = 1,570,274.22 × 866,409.20
  4. Step 4: Simplify right side
    1,048,386.20x = 1,360,500,030,730.82
  5. Step 5: Solve for x
    x = 1,360,500,030,730.82/1,048,386.20
  6. Step 6: Final answer
    x = 1,297,708.83

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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.