Finding the Fourth Proportional to 1,378,702.64, 1,902,582.29 and 766,842.23
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Solution
The fourth proportional to 1,378,702.64, 1,902,582.29 and 766,842.23 is: 1,058,227.07
Step by Step Solution
- Step 1: Write the proportion equation
1,378,702.64 : 1,902,582.29 = 766,842.23 : x - Step 2: Convert to fraction form
1,378,702.64/1,902,582.29 = 766,842.23/x - Step 3: Cross multiply
1,378,702.64x = 1,902,582.29 × 766,842.23 - Step 4: Simplify right side
1,378,702.64x = 1,458,980,452,695.67 - Step 5: Solve for x
x = 1,458,980,452,695.67/1,378,702.64 - Step 6: Final answer
x = 1,058,227.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.