Home / 1,074,641.60-1,611,903.96-326,629.28

Finding the Fourth Proportional to 1,074,641.60, 1,611,903.96 and 326,629.28

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Solution

The fourth proportional to 1,074,641.60, 1,611,903.96 and 326,629.28 is: 489,926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,641.60 : 1,611,903.96 = 326,629.28 : x
  2. Step 2: Convert to fraction form
    1,074,641.60/1,611,903.96 = 326,629.28/x
  3. Step 3: Cross multiply
    1,074,641.60x = 1,611,903.96 × 326,629.28
  4. Step 4: Simplify right side
    1,074,641.60x = 526,495,029,883.95
  5. Step 5: Solve for x
    x = 526,495,029,883.95/1,074,641.60
  6. Step 6: Final answer
    x = 489,926.16

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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.