Finding the Fourth Proportional to 1,272,565.06, 1,908,748.34 and 739,746.24
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Solution
The fourth proportional to 1,272,565.06, 1,908,748.34 and 739,746.24 is: 1,109,561.67
Step by Step Solution
- Step 1: Write the proportion equation
1,272,565.06 : 1,908,748.34 = 739,746.24 : x - Step 2: Convert to fraction form
1,272,565.06/1,908,748.34 = 739,746.24/x - Step 3: Cross multiply
1,272,565.06x = 1,908,748.34 × 739,746.24 - Step 4: Simplify right side
1,272,565.06x = 1,411,989,407,621.24 - Step 5: Solve for x
x = 1,411,989,407,621.24/1,272,565.06 - Step 6: Final answer
x = 1,109,561.67
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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.