Finding the Fourth Proportional to 1,394,457.30, 1,924,544.12 and 782,646.48
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Solution
The fourth proportional to 1,394,457.30, 1,924,544.12 and 782,646.48 is: 1,080,160.49
Step by Step Solution
- Step 1: Write the proportion equation
1,394,457.30 : 1,924,544.12 = 782,646.48 : x - Step 2: Convert to fraction form
1,394,457.30/1,924,544.12 = 782,646.48/x - Step 3: Cross multiply
1,394,457.30x = 1,924,544.12 × 782,646.48 - Step 4: Simplify right side
1,394,457.30x = 1,506,237,677,209.47 - Step 5: Solve for x
x = 1,506,237,677,209.47/1,394,457.30 - Step 6: Final answer
x = 1,080,160.49
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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.