Finding the Fourth Proportional to 1,430,749.96, 1,974,483.42 and 786,193.28
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Solution
The fourth proportional to 1,430,749.96, 1,974,483.42 and 786,193.28 is: 1,084,973.36
Step by Step Solution
- Step 1: Write the proportion equation
1,430,749.96 : 1,974,483.42 = 786,193.28 : x - Step 2: Convert to fraction form
1,430,749.96/1,974,483.42 = 786,193.28/x - Step 3: Cross multiply
1,430,749.96x = 1,974,483.42 × 786,193.28 - Step 4: Simplify right side
1,430,749.96x = 1,552,325,596,275.42 - Step 5: Solve for x
x = 1,552,325,596,275.42/1,430,749.96 - Step 6: Final answer
x = 1,084,973.36
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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.