Finding the Fourth Proportional to 1,021,710.12, 1,409,959.44 and 592,239.12
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Solution
The fourth proportional to 1,021,710.12, 1,409,959.44 and 592,239.12 is: 817,289.68
Step by Step Solution
- Step 1: Write the proportion equation
1,021,710.12 : 1,409,959.44 = 592,239.12 : x - Step 2: Convert to fraction form
1,021,710.12/1,409,959.44 = 592,239.12/x - Step 3: Cross multiply
1,021,710.12x = 1,409,959.44 × 592,239.12 - Step 4: Simplify right side
1,021,710.12x = 835,033,137,981.29 - Step 5: Solve for x
x = 835,033,137,981.29/1,021,710.12 - Step 6: Final answer
x = 817,289.68
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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.