Finding the Fourth Proportional to 1,403,261.02, 1,936,499.70 and 758,681.02
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Solution
The fourth proportional to 1,403,261.02, 1,936,499.70 and 758,681.02 is: 1,046,979.53
Step by Step Solution
- Step 1: Write the proportion equation
1,403,261.02 : 1,936,499.70 = 758,681.02 : x - Step 2: Convert to fraction form
1,403,261.02/1,936,499.70 = 758,681.02/x - Step 3: Cross multiply
1,403,261.02x = 1,936,499.70 × 758,681.02 - Step 4: Simplify right side
1,403,261.02x = 1,469,185,567,625.69 - Step 5: Solve for x
x = 1,469,185,567,625.69/1,403,261.02 - Step 6: Final answer
x = 1,046,979.53
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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.