Finding the Fourth Proportional to 1,058,565.12, 1,460,813.76 and 575,126.88
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Solution
The fourth proportional to 1,058,565.12, 1,460,813.76 and 575,126.88 is: 793,671.78
Step by Step Solution
- Step 1: Write the proportion equation
1,058,565.12 : 1,460,813.76 = 575,126.88 : x - Step 2: Convert to fraction form
1,058,565.12/1,460,813.76 = 575,126.88/x - Step 3: Cross multiply
1,058,565.12x = 1,460,813.76 × 575,126.88 - Step 4: Simplify right side
1,058,565.12x = 840,153,260,049.87 - Step 5: Solve for x
x = 840,153,260,049.87/1,058,565.12 - Step 6: Final answer
x = 793,671.78
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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.