Finding the Fourth Proportional to 1,376,272.80, 2,064,409.47 and 429,724.62
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Solution
The fourth proportional to 1,376,272.80, 2,064,409.47 and 429,724.62 is: 644,587.01
Step by Step Solution
- Step 1: Write the proportion equation
1,376,272.80 : 2,064,409.47 = 429,724.62 : x - Step 2: Convert to fraction form
1,376,272.80/2,064,409.47 = 429,724.62/x - Step 3: Cross multiply
1,376,272.80x = 2,064,409.47 × 429,724.62 - Step 4: Simplify right side
1,376,272.80x = 887,127,575,020.15 - Step 5: Solve for x
x = 887,127,575,020.15/1,376,272.80 - Step 6: Final answer
x = 644,587.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.