Finding the Fourth Proportional to 1,292,743.84, 1,938,752.88 and 493,474.72
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Solution
The fourth proportional to 1,292,743.84, 1,938,752.88 and 493,474.72 is: 740,073.56
Step by Step Solution
- Step 1: Write the proportion equation
1,292,743.84 : 1,938,752.88 = 493,474.72 : x - Step 2: Convert to fraction form
1,292,743.84/1,938,752.88 = 493,474.72/x - Step 3: Cross multiply
1,292,743.84x = 1,938,752.88 × 493,474.72 - Step 4: Simplify right side
1,292,743.84x = 956,725,534,607.19 - Step 5: Solve for x
x = 956,725,534,607.19/1,292,743.84 - Step 6: Final answer
x = 740,073.56
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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.