Finding the Fourth Proportional to 1,129,248.90, 1,558,366.08 and 619,984.08
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Solution
The fourth proportional to 1,129,248.90, 1,558,366.08 and 619,984.08 is: 855,579.46
Step by Step Solution
- Step 1: Write the proportion equation
1,129,248.90 : 1,558,366.08 = 619,984.08 : x - Step 2: Convert to fraction form
1,129,248.90/1,558,366.08 = 619,984.08/x - Step 3: Cross multiply
1,129,248.90x = 1,558,366.08 × 619,984.08 - Step 4: Simplify right side
1,129,248.90x = 966,162,160,412.01 - Step 5: Solve for x
x = 966,162,160,412.01/1,129,248.90 - Step 6: Final answer
x = 855,579.46
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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.