Home / 1,336,731.75-2,005,064.51-390,110.67

Finding the Fourth Proportional to 1,336,731.75, 2,005,064.51 and 390,110.67

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Solution

The fourth proportional to 1,336,731.75, 2,005,064.51 and 390,110.67 is: 585,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,731.75 : 2,005,064.51 = 390,110.67 : x
  2. Step 2: Convert to fraction form
    1,336,731.75/2,005,064.51 = 390,110.67/x
  3. Step 3: Cross multiply
    1,336,731.75x = 2,005,064.51 × 390,110.67
  4. Step 4: Simplify right side
    1,336,731.75x = 782,197,057,438.77
  5. Step 5: Solve for x
    x = 782,197,057,438.77/1,336,731.75
  6. Step 6: Final answer
    x = 585,156.34

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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.