Finding the Fourth Proportional to 1,249,228.36, 1,723,934.75 and 676,268.12
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Solution
The fourth proportional to 1,249,228.36, 1,723,934.75 and 676,268.12 is: 933,249.80
Step by Step Solution
- Step 1: Write the proportion equation
1,249,228.36 : 1,723,934.75 = 676,268.12 : x - Step 2: Convert to fraction form
1,249,228.36/1,723,934.75 = 676,268.12/x - Step 3: Cross multiply
1,249,228.36x = 1,723,934.75 × 676,268.12 - Step 4: Simplify right side
1,249,228.36x = 1,165,842,112,385.17 - Step 5: Solve for x
x = 1,165,842,112,385.17/1,249,228.36 - Step 6: Final answer
x = 933,249.80
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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.