Home / 1,020,538.54-1,531,153.74-451,841.20

Finding the Fourth Proportional to 1,020,538.54, 1,531,153.74 and 451,841.20

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Solution

The fourth proportional to 1,020,538.54, 1,531,153.74 and 451,841.20 is: 677,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,538.54 : 1,531,153.74 = 451,841.20 : x
  2. Step 2: Convert to fraction form
    1,020,538.54/1,531,153.74 = 451,841.20/x
  3. Step 3: Cross multiply
    1,020,538.54x = 1,531,153.74 × 451,841.20
  4. Step 4: Simplify right side
    1,020,538.54x = 691,838,343,266.09
  5. Step 5: Solve for x
    x = 691,838,343,266.09/1,020,538.54
  6. Step 6: Final answer
    x = 677,914.96

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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.