Finding the Fourth Proportional to 1,029,848.81, 1,421,275.56 and 571,107.26
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Solution
The fourth proportional to 1,029,848.81, 1,421,275.56 and 571,107.26 is: 788,174.71
Step by Step Solution
- Step 1: Write the proportion equation
1,029,848.81 : 1,421,275.56 = 571,107.26 : x - Step 2: Convert to fraction form
1,029,848.81/1,421,275.56 = 571,107.26/x - Step 3: Cross multiply
1,029,848.81x = 1,421,275.56 × 571,107.26 - Step 4: Simplify right side
1,029,848.81x = 811,700,787,405.91 - Step 5: Solve for x
x = 811,700,787,405.91/1,029,848.81 - Step 6: Final answer
x = 788,174.71
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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.