Finding the Fourth Proportional to 1,011,482.19, 1,395,789.44 and 581,769.50
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Solution
The fourth proportional to 1,011,482.19, 1,395,789.44 and 581,769.50 is: 802,809.70
Step by Step Solution
- Step 1: Write the proportion equation
1,011,482.19 : 1,395,789.44 = 581,769.50 : x - Step 2: Convert to fraction form
1,011,482.19/1,395,789.44 = 581,769.50/x - Step 3: Cross multiply
1,011,482.19x = 1,395,789.44 × 581,769.50 - Step 4: Simplify right side
1,011,482.19x = 812,027,714,726.29 - Step 5: Solve for x
x = 812,027,714,726.29/1,011,482.19 - Step 6: Final answer
x = 802,809.70
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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.