Finding the Fourth Proportional to 1,358,504.10, 1,875,307.68 and 917,065.44
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Solution
The fourth proportional to 1,358,504.10, 1,875,307.68 and 917,065.44 is: 1,265,936.45
Step by Step Solution
- Step 1: Write the proportion equation
1,358,504.10 : 1,875,307.68 = 917,065.44 : x - Step 2: Convert to fraction form
1,358,504.10/1,875,307.68 = 917,065.44/x - Step 3: Cross multiply
1,358,504.10x = 1,875,307.68 × 917,065.44 - Step 4: Simplify right side
1,358,504.10x = 1,719,779,862,694.58 - Step 5: Solve for x
x = 1,719,779,862,694.58/1,358,504.10 - Step 6: Final answer
x = 1,265,936.45
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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.