Finding the Fourth Proportional to 1,316,867.10, 1,817,424.09 and 743,944.20
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Solution
The fourth proportional to 1,316,867.10, 1,817,424.09 and 743,944.20 is: 1,026,726.32
Step by Step Solution
- Step 1: Write the proportion equation
1,316,867.10 : 1,817,424.09 = 743,944.20 : x - Step 2: Convert to fraction form
1,316,867.10/1,817,424.09 = 743,944.20/x - Step 3: Cross multiply
1,316,867.10x = 1,817,424.09 × 743,944.20 - Step 4: Simplify right side
1,316,867.10x = 1,352,062,110,695.78 - Step 5: Solve for x
x = 1,352,062,110,695.78/1,316,867.10 - Step 6: Final answer
x = 1,026,726.32
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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.