Finding the Fourth Proportional to 1,018,603.98, 1,405,668.80 and 559,747.08
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Solution
The fourth proportional to 1,018,603.98, 1,405,668.80 and 559,747.08 is: 772,448.39
Step by Step Solution
- Step 1: Write the proportion equation
1,018,603.98 : 1,405,668.80 = 559,747.08 : x - Step 2: Convert to fraction form
1,018,603.98/1,405,668.80 = 559,747.08/x - Step 3: Cross multiply
1,018,603.98x = 1,405,668.80 × 559,747.08 - Step 4: Simplify right side
1,018,603.98x = 786,819,007,646.47 - Step 5: Solve for x
x = 786,819,007,646.47/1,018,603.98 - Step 6: Final answer
x = 772,448.39
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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.