Finding the Fourth Proportional to 1,075,985.32, 1,615,202.70 and 544,106.92
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Solution
The fourth proportional to 1,075,985.32, 1,615,202.70 and 544,106.92 is: 816,779.70
Step by Step Solution
- Step 1: Write the proportion equation
1,075,985.32 : 1,615,202.70 = 544,106.92 : x - Step 2: Convert to fraction form
1,075,985.32/1,615,202.70 = 544,106.92/x - Step 3: Cross multiply
1,075,985.32x = 1,615,202.70 × 544,106.92 - Step 4: Simplify right side
1,075,985.32x = 878,842,966,272.68 - Step 5: Solve for x
x = 878,842,966,272.68/1,075,985.32 - Step 6: Final answer
x = 816,779.70
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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.