Home / 1,049,942.40-1,575,143.27-340,042.20

Finding the Fourth Proportional to 1,049,942.40, 1,575,143.27 and 340,042.20

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Solution

The fourth proportional to 1,049,942.40, 1,575,143.27 and 340,042.20 is: 510,137.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,942.40 : 1,575,143.27 = 340,042.20 : x
  2. Step 2: Convert to fraction form
    1,049,942.40/1,575,143.27 = 340,042.20/x
  3. Step 3: Cross multiply
    1,049,942.40x = 1,575,143.27 × 340,042.20
  4. Step 4: Simplify right side
    1,049,942.40x = 535,615,182,845.99
  5. Step 5: Solve for x
    x = 535,615,182,845.99/1,049,942.40
  6. Step 6: Final answer
    x = 510,137.68

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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.