Finding the Fourth Proportional to 1,004,921.52, 1,386,775.68 and 552,202.80
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Solution
The fourth proportional to 1,004,921.52, 1,386,775.68 and 552,202.80 is: 762,031.06
Step by Step Solution
- Step 1: Write the proportion equation
1,004,921.52 : 1,386,775.68 = 552,202.80 : x - Step 2: Convert to fraction form
1,004,921.52/1,386,775.68 = 552,202.80/x - Step 3: Cross multiply
1,004,921.52x = 1,386,775.68 × 552,202.80 - Step 4: Simplify right side
1,004,921.52x = 765,781,413,467.90 - Step 5: Solve for x
x = 765,781,413,467.90/1,004,921.52 - Step 6: Final answer
x = 762,031.06
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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.