Finding the Fourth Proportional to 1,299,968.60, 1,793,950.54 and 727,011.05
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Solution
The fourth proportional to 1,299,968.60, 1,793,950.54 and 727,011.05 is: 1,003,271.82
Step by Step Solution
- Step 1: Write the proportion equation
1,299,968.60 : 1,793,950.54 = 727,011.05 : x - Step 2: Convert to fraction form
1,299,968.60/1,793,950.54 = 727,011.05/x - Step 3: Cross multiply
1,299,968.60x = 1,793,950.54 × 727,011.05 - Step 4: Simplify right side
1,299,968.60x = 1,304,221,854,946.19 - Step 5: Solve for x
x = 1,304,221,854,946.19/1,299,968.60 - Step 6: Final answer
x = 1,003,271.82
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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.