Finding the Fourth Proportional to 1,358,371.84, 1,874,443.44 and 785,449.12
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Solution
The fourth proportional to 1,358,371.84, 1,874,443.44 and 785,449.12 is: 1,083,856.35
Step by Step Solution
- Step 1: Write the proportion equation
1,358,371.84 : 1,874,443.44 = 785,449.12 : x - Step 2: Convert to fraction form
1,358,371.84/1,874,443.44 = 785,449.12/x - Step 3: Cross multiply
1,358,371.84x = 1,874,443.44 × 785,449.12 - Step 4: Simplify right side
1,358,371.84x = 1,472,279,950,437.77 - Step 5: Solve for x
x = 1,472,279,950,437.77/1,358,371.84 - Step 6: Final answer
x = 1,083,856.35
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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.