Finding the Fourth Proportional to 1,169,926.19, 1,753,768.21 and 495,079.15
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Solution
The fourth proportional to 1,169,926.19, 1,753,768.21 and 495,079.15 is: 742,144.32
Step by Step Solution
- Step 1: Write the proportion equation
1,169,926.19 : 1,753,768.21 = 495,079.15 : x - Step 2: Convert to fraction form
1,169,926.19/1,753,768.21 = 495,079.15/x - Step 3: Cross multiply
1,169,926.19x = 1,753,768.21 × 495,079.15 - Step 4: Simplify right side
1,169,926.19x = 868,254,074,703.82 - Step 5: Solve for x
x = 868,254,074,703.82/1,169,926.19 - Step 6: Final answer
x = 742,144.32
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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.