Finding the Fourth Proportional to 1,013,462.99, 1,398,566.88 and 554,572.61
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Solution
The fourth proportional to 1,013,462.99, 1,398,566.88 and 554,572.61 is: 765,303.61
Step by Step Solution
- Step 1: Write the proportion equation
1,013,462.99 : 1,398,566.88 = 554,572.61 : x - Step 2: Convert to fraction form
1,013,462.99/1,398,566.88 = 554,572.61/x - Step 3: Cross multiply
1,013,462.99x = 1,398,566.88 × 554,572.61 - Step 4: Simplify right side
1,013,462.99x = 775,606,877,908.32 - Step 5: Solve for x
x = 775,606,877,908.32/1,013,462.99 - Step 6: Final answer
x = 765,303.61
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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.