Home / 1,097,289.40-1,645,934.10-957,321.40

Finding the Fourth Proportional to 1,097,289.40, 1,645,934.10 and 957,321.40

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Solution

The fourth proportional to 1,097,289.40, 1,645,934.10 and 957,321.40 is: 1,435,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,289.40 : 1,645,934.10 = 957,321.40 : x
  2. Step 2: Convert to fraction form
    1,097,289.40/1,645,934.10 = 957,321.40/x
  3. Step 3: Cross multiply
    1,097,289.40x = 1,645,934.10 × 957,321.40
  4. Step 4: Simplify right side
    1,097,289.40x = 1,575,687,936,919.74
  5. Step 5: Solve for x
    x = 1,575,687,936,919.74/1,097,289.40
  6. Step 6: Final answer
    x = 1,435,982.10

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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.