Home / 1,020,971.89-1,408,915.45-562,081.88

Finding the Fourth Proportional to 1,020,971.89, 1,408,915.45 and 562,081.88

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Solution

The fourth proportional to 1,020,971.89, 1,408,915.45 and 562,081.88 is: 775,658.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,971.89 : 1,408,915.45 = 562,081.88 : x
  2. Step 2: Convert to fraction form
    1,020,971.89/1,408,915.45 = 562,081.88/x
  3. Step 3: Cross multiply
    1,020,971.89x = 1,408,915.45 × 562,081.88
  4. Step 4: Simplify right side
    1,020,971.89x = 791,925,837,852.47
  5. Step 5: Solve for x
    x = 791,925,837,852.47/1,020,971.89
  6. Step 6: Final answer
    x = 775,658.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.