Finding the Fourth Proportional to 1,248,934.08, 1,872,641.76 and 489,865.92
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Solution
The fourth proportional to 1,248,934.08, 1,872,641.76 and 489,865.92 is: 734,501.04
Step by Step Solution
- Step 1: Write the proportion equation
1,248,934.08 : 1,872,641.76 = 489,865.92 : x - Step 2: Convert to fraction form
1,248,934.08/1,872,641.76 = 489,865.92/x - Step 3: Cross multiply
1,248,934.08x = 1,872,641.76 × 489,865.92 - Step 4: Simplify right side
1,248,934.08x = 917,343,378,592.82 - Step 5: Solve for x
x = 917,343,378,592.82/1,248,934.08 - Step 6: Final answer
x = 734,501.04
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.