Home / 1,020,597.39-1,531,841.80-515,512.40

Finding the Fourth Proportional to 1,020,597.39, 1,531,841.80 and 515,512.40

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Solution

The fourth proportional to 1,020,597.39, 1,531,841.80 and 515,512.40 is: 773,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,597.39 : 1,531,841.80 = 515,512.40 : x
  2. Step 2: Convert to fraction form
    1,020,597.39/1,531,841.80 = 515,512.40/x
  3. Step 3: Cross multiply
    1,020,597.39x = 1,531,841.80 × 515,512.40
  4. Step 4: Simplify right side
    1,020,597.39x = 789,683,433,790.33
  5. Step 5: Solve for x
    x = 789,683,433,790.33/1,020,597.39
  6. Step 6: Final answer
    x = 773,746.28

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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.