Finding the Fourth Proportional to 1,020,227.52, 1,407,907.36 and 561,370.08
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Solution
The fourth proportional to 1,020,227.52, 1,407,907.36 and 561,370.08 is: 774,687.07
Step by Step Solution
- Step 1: Write the proportion equation
1,020,227.52 : 1,407,907.36 = 561,370.08 : x - Step 2: Convert to fraction form
1,020,227.52/1,407,907.36 = 561,370.08/x - Step 3: Cross multiply
1,020,227.52x = 1,407,907.36 × 561,370.08 - Step 4: Simplify right side
1,020,227.52x = 790,357,067,315.79 - Step 5: Solve for x
x = 790,357,067,315.79/1,020,227.52 - Step 6: Final answer
x = 774,687.07
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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.