Finding the Fourth Proportional to 1,211,216.18, 1,671,479.94 and 659,929.06
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Solution
The fourth proportional to 1,211,216.18, 1,671,479.94 and 659,929.06 is: 910,702.99
Step by Step Solution
- Step 1: Write the proportion equation
1,211,216.18 : 1,671,479.94 = 659,929.06 : x - Step 2: Convert to fraction form
1,211,216.18/1,671,479.94 = 659,929.06/x - Step 3: Cross multiply
1,211,216.18x = 1,671,479.94 × 659,929.06 - Step 4: Simplify right side
1,211,216.18x = 1,103,058,187,702.41 - Step 5: Solve for x
x = 1,103,058,187,702.41/1,211,216.18 - Step 6: Final answer
x = 910,702.99
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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.