Finding the Fourth Proportional to 1,258,762.41, 1,887,947.55 and 690,423.12
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Solution
The fourth proportional to 1,258,762.41, 1,887,947.55 and 690,423.12 is: 1,035,527.14
Step by Step Solution
- Step 1: Write the proportion equation
1,258,762.41 : 1,887,947.55 = 690,423.12 : x - Step 2: Convert to fraction form
1,258,762.41/1,887,947.55 = 690,423.12/x - Step 3: Cross multiply
1,258,762.41x = 1,887,947.55 × 690,423.12 - Step 4: Simplify right side
1,258,762.41x = 1,303,482,637,867.36 - Step 5: Solve for x
x = 1,303,482,637,867.36/1,258,762.41 - Step 6: Final answer
x = 1,035,527.14
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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.