Finding the Fourth Proportional to 1,392,154.84, 2,088,624.30 and 539,484.04
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Solution
The fourth proportional to 1,392,154.84, 2,088,624.30 and 539,484.04 is: 809,377.98
Step by Step Solution
- Step 1: Write the proportion equation
1,392,154.84 : 2,088,624.30 = 539,484.04 : x - Step 2: Convert to fraction form
1,392,154.84/2,088,624.30 = 539,484.04/x - Step 3: Cross multiply
1,392,154.84x = 2,088,624.30 × 539,484.04 - Step 4: Simplify right side
1,392,154.84x = 1,126,779,475,406.17 - Step 5: Solve for x
x = 1,126,779,475,406.17/1,392,154.84 - Step 6: Final answer
x = 809,377.98
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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.