Finding the Fourth Proportional to 1,098,824.41, 1,645,283.58 and 697,291.21
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Solution
The fourth proportional to 1,098,824.41, 1,645,283.58 and 697,291.21 is: 1,044,062.88
Step by Step Solution
- Step 1: Write the proportion equation
1,098,824.41 : 1,645,283.58 = 697,291.21 : x - Step 2: Convert to fraction form
1,098,824.41/1,645,283.58 = 697,291.21/x - Step 3: Cross multiply
1,098,824.41x = 1,645,283.58 × 697,291.21 - Step 4: Simplify right side
1,098,824.41x = 1,147,241,778,291.33 - Step 5: Solve for x
x = 1,147,241,778,291.33/1,098,824.41 - Step 6: Final answer
x = 1,044,062.88
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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.