Finding the Fourth Proportional to 1,029,154.13, 1,420,232.70 and 626,746.13
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Solution
The fourth proportional to 1,029,154.13, 1,420,232.70 and 626,746.13 is: 864,909.66
Step by Step Solution
- Step 1: Write the proportion equation
1,029,154.13 : 1,420,232.70 = 626,746.13 : x - Step 2: Convert to fraction form
1,029,154.13/1,420,232.70 = 626,746.13/x - Step 3: Cross multiply
1,029,154.13x = 1,420,232.70 × 626,746.13 - Step 4: Simplify right side
1,029,154.13x = 890,125,341,323.29 - Step 5: Solve for x
x = 890,125,341,323.29/1,029,154.13 - Step 6: Final answer
x = 864,909.66
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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.