Home / 1,020,988.31-1,408,910.36-562,013.22

Finding the Fourth Proportional to 1,020,988.31, 1,408,910.36 and 562,013.22

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Solution

The fourth proportional to 1,020,988.31, 1,408,910.36 and 562,013.22 is: 775,548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,988.31 : 1,408,910.36 = 562,013.22 : x
  2. Step 2: Convert to fraction form
    1,020,988.31/1,408,910.36 = 562,013.22/x
  3. Step 3: Cross multiply
    1,020,988.31x = 1,408,910.36 × 562,013.22
  4. Step 4: Simplify right side
    1,020,988.31x = 791,826,245,304.89
  5. Step 5: Solve for x
    x = 791,826,245,304.89/1,020,988.31
  6. Step 6: Final answer
    x = 775,548.79

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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.