Finding the Fourth Proportional to 1,260,984.80, 1,888,366.80 and 837,970.40
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Solution
The fourth proportional to 1,260,984.80, 1,888,366.80 and 837,970.40 is: 1,254,888.63
Step by Step Solution
- Step 1: Write the proportion equation
1,260,984.80 : 1,888,366.80 = 837,970.40 : x - Step 2: Convert to fraction form
1,260,984.80/1,888,366.80 = 837,970.40/x - Step 3: Cross multiply
1,260,984.80x = 1,888,366.80 × 837,970.40 - Step 4: Simplify right side
1,260,984.80x = 1,582,395,482,742.72 - Step 5: Solve for x
x = 1,582,395,482,742.72/1,260,984.80 - Step 6: Final answer
x = 1,254,888.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.