Finding the Fourth Proportional to 1,403,644.10, 1,937,019.08 and 759,055.01
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Solution
The fourth proportional to 1,403,644.10, 1,937,019.08 and 759,055.01 is: 1,047,490.62
Step by Step Solution
- Step 1: Write the proportion equation
1,403,644.10 : 1,937,019.08 = 759,055.01 : x - Step 2: Convert to fraction form
1,403,644.10/1,937,019.08 = 759,055.01/x - Step 3: Cross multiply
1,403,644.10x = 1,937,019.08 × 759,055.01 - Step 4: Simplify right side
1,403,644.10x = 1,470,304,029,352.13 - Step 5: Solve for x
x = 1,470,304,029,352.13/1,403,644.10 - Step 6: Final answer
x = 1,047,490.62
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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.