Finding the Fourth Proportional to 1,243,389.04, 1,715,724.66 and 784,331.26
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Solution
The fourth proportional to 1,243,389.04, 1,715,724.66 and 784,331.26 is: 1,082,281.12
Step by Step Solution
- Step 1: Write the proportion equation
1,243,389.04 : 1,715,724.66 = 784,331.26 : x - Step 2: Convert to fraction form
1,243,389.04/1,715,724.66 = 784,331.26/x - Step 3: Cross multiply
1,243,389.04x = 1,715,724.66 × 784,331.26 - Step 4: Simplify right side
1,243,389.04x = 1,345,696,484,390.87 - Step 5: Solve for x
x = 1,345,696,484,390.87/1,243,389.04 - Step 6: Final answer
x = 1,082,281.12
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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.