Home / 1,010,288.90-1,515,433.35-744,568.40

Finding the Fourth Proportional to 1,010,288.90, 1,515,433.35 and 744,568.40

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Solution

The fourth proportional to 1,010,288.90, 1,515,433.35 and 744,568.40 is: 1,116,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,288.90 : 1,515,433.35 = 744,568.40 : x
  2. Step 2: Convert to fraction form
    1,010,288.90/1,515,433.35 = 744,568.40/x
  3. Step 3: Cross multiply
    1,010,288.90x = 1,515,433.35 × 744,568.40
  4. Step 4: Simplify right side
    1,010,288.90x = 1,128,343,784,716.14
  5. Step 5: Solve for x
    x = 1,128,343,784,716.14/1,010,288.90
  6. Step 6: Final answer
    x = 1,116,852.60

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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.