Finding the Fourth Proportional to 1,153,447.84, 1,591,752.80 and 637,201.90
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Solution
The fourth proportional to 1,153,447.84, 1,591,752.80 and 637,201.90 is: 879,335.74
Step by Step Solution
- Step 1: Write the proportion equation
1,153,447.84 : 1,591,752.80 = 637,201.90 : x - Step 2: Convert to fraction form
1,153,447.84/1,591,752.80 = 637,201.90/x - Step 3: Cross multiply
1,153,447.84x = 1,591,752.80 × 637,201.90 - Step 4: Simplify right side
1,153,447.84x = 1,014,267,908,490.32 - Step 5: Solve for x
x = 1,014,267,908,490.32/1,153,447.84 - Step 6: Final answer
x = 879,335.74
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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.