Home / 1,124,914.23-1,687,023.72-326,254.50

Finding the Fourth Proportional to 1,124,914.23, 1,687,023.72 and 326,254.50

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Solution

The fourth proportional to 1,124,914.23, 1,687,023.72 and 326,254.50 is: 489,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,914.23 : 1,687,023.72 = 326,254.50 : x
  2. Step 2: Convert to fraction form
    1,124,914.23/1,687,023.72 = 326,254.50/x
  3. Step 3: Cross multiply
    1,124,914.23x = 1,687,023.72 × 326,254.50
  4. Step 4: Simplify right side
    1,124,914.23x = 550,399,080,256.74
  5. Step 5: Solve for x
    x = 550,399,080,256.74/1,124,914.23
  6. Step 6: Final answer
    x = 489,280.93

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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.