Finding the Fourth Proportional to 1,021,888.72, 1,410,206.88 and 592,417.84
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Solution
The fourth proportional to 1,021,888.72, 1,410,206.88 and 592,417.84 is: 817,536.88
Step by Step Solution
- Step 1: Write the proportion equation
1,021,888.72 : 1,410,206.88 = 592,417.84 : x - Step 2: Convert to fraction form
1,021,888.72/1,410,206.88 = 592,417.84/x - Step 3: Cross multiply
1,021,888.72x = 1,410,206.88 × 592,417.84 - Step 4: Simplify right side
1,021,888.72x = 835,431,713,802.74 - Step 5: Solve for x
x = 835,431,713,802.74/1,021,888.72 - Step 6: Final answer
x = 817,536.88
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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.