Home / 1,343,643.34-2,015,749.32-445,034.20

Finding the Fourth Proportional to 1,343,643.34, 2,015,749.32 and 445,034.20

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Solution

The fourth proportional to 1,343,643.34, 2,015,749.32 and 445,034.20 is: 667,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,643.34 : 2,015,749.32 = 445,034.20 : x
  2. Step 2: Convert to fraction form
    1,343,643.34/2,015,749.32 = 445,034.20/x
  3. Step 3: Cross multiply
    1,343,643.34x = 2,015,749.32 × 445,034.20
  4. Step 4: Simplify right side
    1,343,643.34x = 897,077,386,026.74
  5. Step 5: Solve for x
    x = 897,077,386,026.74/1,343,643.34
  6. Step 6: Final answer
    x = 667,645.47

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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.