Finding the Fourth Proportional to 1,017,118.62, 1,403,631.99 and 564,417.18
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Solution
The fourth proportional to 1,017,118.62, 1,403,631.99 and 564,417.18 is: 778,900.31
Step by Step Solution
- Step 1: Write the proportion equation
1,017,118.62 : 1,403,631.99 = 564,417.18 : x - Step 2: Convert to fraction form
1,017,118.62/1,403,631.99 = 564,417.18/x - Step 3: Cross multiply
1,017,118.62x = 1,403,631.99 × 564,417.18 - Step 4: Simplify right side
1,017,118.62x = 792,234,009,553.59 - Step 5: Solve for x
x = 792,234,009,553.59/1,017,118.62 - Step 6: Final answer
x = 778,900.31
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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.