Finding the Fourth Proportional to 1,284,752.47, 1,925,026.35 and 777,776.80
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Solution
The fourth proportional to 1,284,752.47, 1,925,026.35 and 777,776.80 is: 1,165,392.45
Step by Step Solution
- Step 1: Write the proportion equation
1,284,752.47 : 1,925,026.35 = 777,776.80 : x - Step 2: Convert to fraction form
1,284,752.47/1,925,026.35 = 777,776.80/x - Step 3: Cross multiply
1,284,752.47x = 1,925,026.35 × 777,776.80 - Step 4: Simplify right side
1,284,752.47x = 1,497,240,834,418.68 - Step 5: Solve for x
x = 1,497,240,834,418.68/1,284,752.47 - Step 6: Final answer
x = 1,165,392.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.