Finding the Fourth Proportional to 1,117,531.74, 1,542,226.55 and 608,267.10
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Solution
The fourth proportional to 1,117,531.74, 1,542,226.55 and 608,267.10 is: 839,426.42
Step by Step Solution
- Step 1: Write the proportion equation
1,117,531.74 : 1,542,226.55 = 608,267.10 : x - Step 2: Convert to fraction form
1,117,531.74/1,542,226.55 = 608,267.10/x - Step 3: Cross multiply
1,117,531.74x = 1,542,226.55 × 608,267.10 - Step 4: Simplify right side
1,117,531.74x = 938,085,671,111.51 - Step 5: Solve for x
x = 938,085,671,111.51/1,117,531.74 - Step 6: Final answer
x = 839,426.42
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1.5x scale
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.