Finding the Fourth Proportional to 1,026,267.99, 1,416,014.40 and 612,724.20
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Solution
The fourth proportional to 1,026,267.99, 1,416,014.40 and 612,724.20 is: 845,418.84
Step by Step Solution
- Step 1: Write the proportion equation
1,026,267.99 : 1,416,014.40 = 612,724.20 : x - Step 2: Convert to fraction form
1,026,267.99/1,416,014.40 = 612,724.20/x - Step 3: Cross multiply
1,026,267.99x = 1,416,014.40 × 612,724.20 - Step 4: Simplify right side
1,026,267.99x = 867,626,290,428.48 - Step 5: Solve for x
x = 867,626,290,428.48/1,026,267.99 - Step 6: Final answer
x = 845,418.84
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1.5x scale
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.