Finding the Fourth Proportional to 1,303,064.64, 1,798,227.99 and 730,108.91
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Solution
The fourth proportional to 1,303,064.64, 1,798,227.99 and 730,108.91 is: 1,007,549.62
Step by Step Solution
- Step 1: Write the proportion equation
1,303,064.64 : 1,798,227.99 = 730,108.91 : x - Step 2: Convert to fraction form
1,303,064.64/1,798,227.99 = 730,108.91/x - Step 3: Cross multiply
1,303,064.64x = 1,798,227.99 × 730,108.91 - Step 4: Simplify right side
1,303,064.64x = 1,312,902,277,710.39 - Step 5: Solve for x
x = 1,312,902,277,710.39/1,303,064.64 - Step 6: Final answer
x = 1,007,549.62
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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.