Finding the Fourth Proportional to 1,023,120.72, 1,411,854.84 and 564,315.12
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Solution
The fourth proportional to 1,023,120.72, 1,411,854.84 and 564,315.12 is: 778,726.32
Step by Step Solution
- Step 1: Write the proportion equation
1,023,120.72 : 1,411,854.84 = 564,315.12 : x - Step 2: Convert to fraction form
1,023,120.72/1,411,854.84 = 564,315.12/x - Step 3: Cross multiply
1,023,120.72x = 1,411,854.84 × 564,315.12 - Step 4: Simplify right side
1,023,120.72x = 796,731,033,457.18 - Step 5: Solve for x
x = 796,731,033,457.18/1,023,120.72 - Step 6: Final answer
x = 778,726.32
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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.