Finding the Fourth Proportional to 1,130,779.82, 1,696,431.75 and 372,594.14
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Solution
The fourth proportional to 1,130,779.82, 1,696,431.75 and 372,594.14 is: 558,977.55
Step by Step Solution
- Step 1: Write the proportion equation
1,130,779.82 : 1,696,431.75 = 372,594.14 : x - Step 2: Convert to fraction form
1,130,779.82/1,696,431.75 = 372,594.14/x - Step 3: Cross multiply
1,130,779.82x = 1,696,431.75 × 372,594.14 - Step 4: Simplify right side
1,130,779.82x = 632,080,528,959.95 - Step 5: Solve for x
x = 632,080,528,959.95/1,130,779.82 - Step 6: Final answer
x = 558,977.55
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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.