Finding the Fourth Proportional to 1,347,774.78, 1,859,921.80 and 735,923.21
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Solution
The fourth proportional to 1,347,774.78, 1,859,921.80 and 735,923.21 is: 1,015,569.99
Step by Step Solution
- Step 1: Write the proportion equation
1,347,774.78 : 1,859,921.80 = 735,923.21 : x - Step 2: Convert to fraction form
1,347,774.78/1,859,921.80 = 735,923.21/x - Step 3: Cross multiply
1,347,774.78x = 1,859,921.80 × 735,923.21 - Step 4: Simplify right side
1,347,774.78x = 1,368,759,621,404.98 - Step 5: Solve for x
x = 1,368,759,621,404.98/1,347,774.78 - Step 6: Final answer
x = 1,015,569.99
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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.