Finding the Fourth Proportional to 1,420,303, 1,959,987.80 and 775,725.80
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Solution
The fourth proportional to 1,420,303, 1,959,987.80 and 775,725.80 is: 1,070,485.03
Step by Step Solution
- Step 1: Write the proportion equation
1,420,303 : 1,959,987.80 = 775,725.80 : x - Step 2: Convert to fraction form
1,420,303/1,959,987.80 = 775,725.80/x - Step 3: Cross multiply
1,420,303x = 1,959,987.80 × 775,725.80 - Step 4: Simplify right side
1,420,303x = 1,520,413,104,145.24 - Step 5: Solve for x
x = 1,520,413,104,145.24/1,420,303 - Step 6: Final answer
x = 1,070,485.03
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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.