Finding the Fourth Proportional to 1,270,964.99, 1,906,462.91 and 372,424.95
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Solution
The fourth proportional to 1,270,964.99, 1,906,462.91 and 372,424.95 is: 558,641.95
Step by Step Solution
- Step 1: Write the proportion equation
1,270,964.99 : 1,906,462.91 = 372,424.95 : x - Step 2: Convert to fraction form
1,270,964.99/1,906,462.91 = 372,424.95/x - Step 3: Cross multiply
1,270,964.99x = 1,906,462.91 × 372,424.95 - Step 4: Simplify right side
1,270,964.99x = 710,014,352,071.48 - Step 5: Solve for x
x = 710,014,352,071.48/1,270,964.99 - Step 6: Final answer
x = 558,641.95
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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.