Finding the Fourth Proportional to 1,258,065.66, 1,736,203.58 and 947,412.08
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Solution
The fourth proportional to 1,258,065.66, 1,736,203.58 and 947,412.08 is: 1,307,483.62
Step by Step Solution
- Step 1: Write the proportion equation
1,258,065.66 : 1,736,203.58 = 947,412.08 : x - Step 2: Convert to fraction form
1,258,065.66/1,736,203.58 = 947,412.08/x - Step 3: Cross multiply
1,258,065.66x = 1,736,203.58 × 947,412.08 - Step 4: Simplify right side
1,258,065.66x = 1,644,900,245,031.25 - Step 5: Solve for x
x = 1,644,900,245,031.25/1,258,065.66 - Step 6: Final answer
x = 1,307,483.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.