Home / 1,073,955-1,611,088.02-326,001.72

Finding the Fourth Proportional to 1,073,955, 1,611,088.02 and 326,001.72

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Solution

The fourth proportional to 1,073,955, 1,611,088.02 and 326,001.72 is: 489,049.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,955 : 1,611,088.02 = 326,001.72 : x
  2. Step 2: Convert to fraction form
    1,073,955/1,611,088.02 = 326,001.72/x
  3. Step 3: Cross multiply
    1,073,955x = 1,611,088.02 × 326,001.72
  4. Step 4: Simplify right side
    1,073,955x = 525,217,465,591.39
  5. Step 5: Solve for x
    x = 525,217,465,591.39/1,073,955
  6. Step 6: Final answer
    x = 489,049.79

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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.