Finding the Fourth Proportional to 1,064,331.70, 1,596,497.55 and 686,418.10
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Solution
The fourth proportional to 1,064,331.70, 1,596,497.55 and 686,418.10 is: 1,029,627.15
Step by Step Solution
- Step 1: Write the proportion equation
1,064,331.70 : 1,596,497.55 = 686,418.10 : x - Step 2: Convert to fraction form
1,064,331.70/1,596,497.55 = 686,418.10/x - Step 3: Cross multiply
1,064,331.70x = 1,596,497.55 × 686,418.10 - Step 4: Simplify right side
1,064,331.70x = 1,095,864,814,925.66 - Step 5: Solve for x
x = 1,095,864,814,925.66/1,064,331.70 - Step 6: Final answer
x = 1,029,627.15
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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.