Home / 1,000,493.78-1,500,782.19-290,521.81

Finding the Fourth Proportional to 1,000,493.78, 1,500,782.19 and 290,521.81

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Solution

The fourth proportional to 1,000,493.78, 1,500,782.19 and 290,521.81 is: 435,794.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,493.78 : 1,500,782.19 = 290,521.81 : x
  2. Step 2: Convert to fraction form
    1,000,493.78/1,500,782.19 = 290,521.81/x
  3. Step 3: Cross multiply
    1,000,493.78x = 1,500,782.19 × 290,521.81
  4. Step 4: Simplify right side
    1,000,493.78x = 436,009,956,801.96
  5. Step 5: Solve for x
    x = 436,009,956,801.96/1,000,493.78
  6. Step 6: Final answer
    x = 435,794.77

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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.