Home / 1,358,078.40-2,034,007.20-692,452.80

Finding the Fourth Proportional to 1,358,078.40, 2,034,007.20 and 692,452.80

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Solution

The fourth proportional to 1,358,078.40, 2,034,007.20 and 692,452.80 is: 1,037,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,078.40 : 2,034,007.20 = 692,452.80 : x
  2. Step 2: Convert to fraction form
    1,358,078.40/2,034,007.20 = 692,452.80/x
  3. Step 3: Cross multiply
    1,358,078.40x = 2,034,007.20 × 692,452.80
  4. Step 4: Simplify right side
    1,358,078.40x = 1,408,453,980,860.16
  5. Step 5: Solve for x
    x = 1,408,453,980,860.16/1,358,078.40
  6. Step 6: Final answer
    x = 1,037,093.28

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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.