Finding the Fourth Proportional to 1,346,974.64, 1,858,868.40 and 766,182.80
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Solution
The fourth proportional to 1,346,974.64, 1,858,868.40 and 766,182.80 is: 1,057,356.95
Step by Step Solution
- Step 1: Write the proportion equation
1,346,974.64 : 1,858,868.40 = 766,182.80 : x - Step 2: Convert to fraction form
1,346,974.64/1,858,868.40 = 766,182.80/x - Step 3: Cross multiply
1,346,974.64x = 1,858,868.40 × 766,182.80 - Step 4: Simplify right side
1,346,974.64x = 1,424,232,995,543.52 - Step 5: Solve for x
x = 1,424,232,995,543.52/1,346,974.64 - Step 6: Final answer
x = 1,057,356.95
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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.