Finding the Fourth Proportional to 1,360,509.13, 1,877,762.82 and 900,813.07
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Solution
The fourth proportional to 1,360,509.13, 1,877,762.82 and 900,813.07 is: 1,243,294.33
Step by Step Solution
- Step 1: Write the proportion equation
1,360,509.13 : 1,877,762.82 = 900,813.07 : x - Step 2: Convert to fraction form
1,360,509.13/1,877,762.82 = 900,813.07/x - Step 3: Cross multiply
1,360,509.13x = 1,877,762.82 × 900,813.07 - Step 4: Simplify right side
1,360,509.13x = 1,691,513,290,616.06 - Step 5: Solve for x
x = 1,691,513,290,616.06/1,360,509.13 - Step 6: Final answer
x = 1,243,294.33
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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.