Finding the Fourth Proportional to 1,334,881.70, 2,001,438.15 and 736,129.70
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Solution
The fourth proportional to 1,334,881.70, 2,001,438.15 and 736,129.70 is: 1,103,706.84
Step by Step Solution
- Step 1: Write the proportion equation
1,334,881.70 : 2,001,438.15 = 736,129.70 : x - Step 2: Convert to fraction form
1,334,881.70/2,001,438.15 = 736,129.70/x - Step 3: Cross multiply
1,334,881.70x = 2,001,438.15 × 736,129.70 - Step 4: Simplify right side
1,334,881.70x = 1,473,318,064,928.06 - Step 5: Solve for x
x = 1,473,318,064,928.06/1,334,881.70 - Step 6: Final answer
x = 1,103,706.84
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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.