Finding the Fourth Proportional to 1,420,283.01, 1,959,987.43 and 775,703.23
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Solution
The fourth proportional to 1,420,283.01, 1,959,987.43 and 775,703.23 is: 1,070,468.75
Step by Step Solution
- Step 1: Write the proportion equation
1,420,283.01 : 1,959,987.43 = 775,703.23 : x - Step 2: Convert to fraction form
1,420,283.01/1,959,987.43 = 775,703.23/x - Step 3: Cross multiply
1,420,283.01x = 1,959,987.43 × 775,703.23 - Step 4: Simplify right side
1,420,283.01x = 1,520,368,582,941.66 - Step 5: Solve for x
x = 1,520,368,582,941.66/1,420,283.01 - Step 6: Final answer
x = 1,070,468.75
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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.