Finding the Fourth Proportional to 1,258,528.54, 1,736,639.91 and 707,156.68
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Solution
The fourth proportional to 1,258,528.54, 1,736,639.91 and 707,156.68 is: 975,803.47
Step by Step Solution
- Step 1: Write the proportion equation
1,258,528.54 : 1,736,639.91 = 707,156.68 : x - Step 2: Convert to fraction form
1,258,528.54/1,736,639.91 = 707,156.68/x - Step 3: Cross multiply
1,258,528.54x = 1,736,639.91 × 707,156.68 - Step 4: Simplify right side
1,258,528.54x = 1,228,076,513,111.10 - Step 5: Solve for x
x = 1,228,076,513,111.10/1,258,528.54 - Step 6: Final answer
x = 975,803.47
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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.