Home / 1,124,866.83-1,687,548.11-326,181.72

Finding the Fourth Proportional to 1,124,866.83, 1,687,548.11 and 326,181.72

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Solution

The fourth proportional to 1,124,866.83, 1,687,548.11 and 326,181.72 is: 489,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,866.83 : 1,687,548.11 = 326,181.72 : x
  2. Step 2: Convert to fraction form
    1,124,866.83/1,687,548.11 = 326,181.72/x
  3. Step 3: Cross multiply
    1,124,866.83x = 1,687,548.11 × 326,181.72
  4. Step 4: Simplify right side
    1,124,866.83x = 550,447,343,471.64
  5. Step 5: Solve for x
    x = 550,447,343,471.64/1,124,866.83
  6. Step 6: Final answer
    x = 489,344.45

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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.