Home / 1,125,133.86-1,687,438.26-326,200.98

Finding the Fourth Proportional to 1,125,133.86, 1,687,438.26 and 326,200.98

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Solution

The fourth proportional to 1,125,133.86, 1,687,438.26 and 326,200.98 is: 489,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,133.86 : 1,687,438.26 = 326,200.98 : x
  2. Step 2: Convert to fraction form
    1,125,133.86/1,687,438.26 = 326,200.98/x
  3. Step 3: Cross multiply
    1,125,133.86x = 1,687,438.26 × 326,200.98
  4. Step 4: Simplify right side
    1,125,133.86x = 550,444,014,101.50
  5. Step 5: Solve for x
    x = 550,444,014,101.50/1,125,133.86
  6. Step 6: Final answer
    x = 489,225.36

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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.