Finding the Fourth Proportional to 1,129,387.24, 1,559,283.78 and 700,126.12
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Solution
The fourth proportional to 1,129,387.24, 1,559,283.78 and 700,126.12 is: 966,626.21
Step by Step Solution
- Step 1: Write the proportion equation
1,129,387.24 : 1,559,283.78 = 700,126.12 : x - Step 2: Convert to fraction form
1,129,387.24/1,559,283.78 = 700,126.12/x - Step 3: Cross multiply
1,129,387.24x = 1,559,283.78 × 700,126.12 - Step 4: Simplify right side
1,129,387.24x = 1,091,695,302,870.33 - Step 5: Solve for x
x = 1,091,695,302,870.33/1,129,387.24 - Step 6: Final answer
x = 966,626.21
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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.