Finding the Fourth Proportional to 1,386,925.42, 1,913,964.14 and 775,088.41
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Solution
The fourth proportional to 1,386,925.42, 1,913,964.14 and 775,088.41 is: 1,069,625.94
Step by Step Solution
- Step 1: Write the proportion equation
1,386,925.42 : 1,913,964.14 = 775,088.41 : x - Step 2: Convert to fraction form
1,386,925.42/1,913,964.14 = 775,088.41/x - Step 3: Cross multiply
1,386,925.42x = 1,913,964.14 × 775,088.41 - Step 4: Simplify right side
1,386,925.42x = 1,483,491,410,376.70 - Step 5: Solve for x
x = 1,483,491,410,376.70/1,386,925.42 - Step 6: Final answer
x = 1,069,625.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.