Finding the Fourth Proportional to 1,142,216.80, 1,576,270.08 and 632,930.08
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Solution
The fourth proportional to 1,142,216.80, 1,576,270.08 and 632,930.08 is: 873,449.55
Step by Step Solution
- Step 1: Write the proportion equation
1,142,216.80 : 1,576,270.08 = 632,930.08 : x - Step 2: Convert to fraction form
1,142,216.80/1,576,270.08 = 632,930.08/x - Step 3: Cross multiply
1,142,216.80x = 1,576,270.08 × 632,930.08 - Step 4: Simplify right side
1,142,216.80x = 997,668,747,836.01 - Step 5: Solve for x
x = 997,668,747,836.01/1,142,216.80 - Step 6: Final answer
x = 873,449.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.