Finding the Fourth Proportional to 1,163,648.22, 1,605,829.64 and 647,451.53
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Solution
The fourth proportional to 1,163,648.22, 1,605,829.64 and 647,451.53 is: 893,480.38
Step by Step Solution
- Step 1: Write the proportion equation
1,163,648.22 : 1,605,829.64 = 647,451.53 : x - Step 2: Convert to fraction form
1,163,648.22/1,605,829.64 = 647,451.53/x - Step 3: Cross multiply
1,163,648.22x = 1,605,829.64 × 647,451.53 - Step 4: Simplify right side
1,163,648.22x = 1,039,696,849,308.20 - Step 5: Solve for x
x = 1,039,696,849,308.20/1,163,648.22 - Step 6: Final answer
x = 893,480.38
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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.