Finding the Fourth Proportional to 1,020,027.70, 1,406,672.07 and 652,621.09
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Solution
The fourth proportional to 1,020,027.70, 1,406,672.07 and 652,621.09 is: 899,998.95
Step by Step Solution
- Step 1: Write the proportion equation
1,020,027.70 : 1,406,672.07 = 652,621.09 : x - Step 2: Convert to fraction form
1,020,027.70/1,406,672.07 = 652,621.09/x - Step 3: Cross multiply
1,020,027.70x = 1,406,672.07 × 652,621.09 - Step 4: Simplify right side
1,020,027.70x = 918,023,863,896.72 - Step 5: Solve for x
x = 918,023,863,896.72/1,020,027.70 - Step 6: Final answer
x = 899,998.95
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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.