Finding the Fourth Proportional to 1,316,862.64, 1,817,417.96 and 743,939.70
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Solution
The fourth proportional to 1,316,862.64, 1,817,417.96 and 743,939.70 is: 1,026,720.12
Step by Step Solution
- Step 1: Write the proportion equation
1,316,862.64 : 1,817,417.96 = 743,939.70 : x - Step 2: Convert to fraction form
1,316,862.64/1,817,417.96 = 743,939.70/x - Step 3: Cross multiply
1,316,862.64x = 1,817,417.96 × 743,939.70 - Step 4: Simplify right side
1,316,862.64x = 1,352,049,371,937.01 - Step 5: Solve for x
x = 1,352,049,371,937.01/1,316,862.64 - Step 6: Final answer
x = 1,026,720.12
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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.