Home / 1,099,147.20-1,648,955.91-340,972.23

Finding the Fourth Proportional to 1,099,147.20, 1,648,955.91 and 340,972.23

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Solution

The fourth proportional to 1,099,147.20, 1,648,955.91 and 340,972.23 is: 511,531.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,147.20 : 1,648,955.91 = 340,972.23 : x
  2. Step 2: Convert to fraction form
    1,099,147.20/1,648,955.91 = 340,972.23/x
  3. Step 3: Cross multiply
    1,099,147.20x = 1,648,955.91 × 340,972.23
  4. Step 4: Simplify right side
    1,099,147.20x = 562,248,173,804.38
  5. Step 5: Solve for x
    x = 562,248,173,804.38/1,099,147.20
  6. Step 6: Final answer
    x = 511,531.28

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1.5x scale

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.