Finding the Fourth Proportional to 1,317,372.84, 1,817,950.80 and 744,400.68
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Solution
The fourth proportional to 1,317,372.84, 1,817,950.80 and 744,400.68 is: 1,027,259.54
Step by Step Solution
- Step 1: Write the proportion equation
1,317,372.84 : 1,817,950.80 = 744,400.68 : x - Step 2: Convert to fraction form
1,317,372.84/1,817,950.80 = 744,400.68/x - Step 3: Cross multiply
1,317,372.84x = 1,817,950.80 × 744,400.68 - Step 4: Simplify right side
1,317,372.84x = 1,353,283,811,726.54 - Step 5: Solve for x
x = 1,353,283,811,726.54/1,317,372.84 - Step 6: Final answer
x = 1,027,259.54
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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.