Finding the Fourth Proportional to 1,064,802.07, 1,595,586.99 and 780,681.76
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Solution
The fourth proportional to 1,064,802.07, 1,595,586.99 and 780,681.76 is: 1,169,837.75
Step by Step Solution
- Step 1: Write the proportion equation
1,064,802.07 : 1,595,586.99 = 780,681.76 : x - Step 2: Convert to fraction form
1,064,802.07/1,595,586.99 = 780,681.76/x - Step 3: Cross multiply
1,064,802.07x = 1,595,586.99 × 780,681.76 - Step 4: Simplify right side
1,064,802.07x = 1,245,645,659,586.30 - Step 5: Solve for x
x = 1,245,645,659,586.30/1,064,802.07 - Step 6: Final answer
x = 1,169,837.75
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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.