Finding the Fourth Proportional to 1,417,408.76, 1,956,248.48 and 844,781.09
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Solution
The fourth proportional to 1,417,408.76, 1,956,248.48 and 844,781.09 is: 1,165,931.64
Step by Step Solution
- Step 1: Write the proportion equation
1,417,408.76 : 1,956,248.48 = 844,781.09 : x - Step 2: Convert to fraction form
1,417,408.76/1,956,248.48 = 844,781.09/x - Step 3: Cross multiply
1,417,408.76x = 1,956,248.48 × 844,781.09 - Step 4: Simplify right side
1,417,408.76x = 1,652,601,723,245.24 - Step 5: Solve for x
x = 1,652,601,723,245.24/1,417,408.76 - Step 6: Final answer
x = 1,165,931.64
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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.