Finding the Fourth Proportional to 1,258,931.36, 1,889,184.36 and 510,977.36
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Solution
The fourth proportional to 1,258,931.36, 1,889,184.36 and 510,977.36 is: 766,785.60
Step by Step Solution
- Step 1: Write the proportion equation
1,258,931.36 : 1,889,184.36 = 510,977.36 : x - Step 2: Convert to fraction form
1,258,931.36/1,889,184.36 = 510,977.36/x - Step 3: Cross multiply
1,258,931.36x = 1,889,184.36 × 510,977.36 - Step 4: Simplify right side
1,258,931.36x = 965,330,443,465.22 - Step 5: Solve for x
x = 965,330,443,465.22/1,258,931.36 - Step 6: Final answer
x = 766,785.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.