Finding the Fourth Proportional to 1,129,304.68, 1,557,756.30 and 670,117.30
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Solution
The fourth proportional to 1,129,304.68, 1,557,756.30 and 670,117.30 is: 924,355.90
Step by Step Solution
- Step 1: Write the proportion equation
1,129,304.68 : 1,557,756.30 = 670,117.30 : x - Step 2: Convert to fraction form
1,129,304.68/1,557,756.30 = 670,117.30/x - Step 3: Cross multiply
1,129,304.68x = 1,557,756.30 × 670,117.30 - Step 4: Simplify right side
1,129,304.68x = 1,043,879,445,813.99 - Step 5: Solve for x
x = 1,043,879,445,813.99/1,129,304.68 - Step 6: Final answer
x = 924,355.90
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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.