Home / 1,000,357.74-1,500,660-326,258.82

Finding the Fourth Proportional to 1,000,357.74, 1,500,660 and 326,258.82

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Solution

The fourth proportional to 1,000,357.74, 1,500,660 and 326,258.82 is: 489,428.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,357.74 : 1,500,660 = 326,258.82 : x
  2. Step 2: Convert to fraction form
    1,000,357.74/1,500,660 = 326,258.82/x
  3. Step 3: Cross multiply
    1,000,357.74x = 1,500,660 × 326,258.82
  4. Step 4: Simplify right side
    1,000,357.74x = 489,603,560,821.20
  5. Step 5: Solve for x
    x = 489,603,560,821.20/1,000,357.74
  6. Step 6: Final answer
    x = 489,428.47

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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.