Finding the Fourth Proportional to 1,125,871.68, 1,553,705.28 and 609,631.20
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Solution
The fourth proportional to 1,125,871.68, 1,553,705.28 and 609,631.20 is: 841,292.33
Step by Step Solution
- Step 1: Write the proportion equation
1,125,871.68 : 1,553,705.28 = 609,631.20 : x - Step 2: Convert to fraction form
1,125,871.68/1,553,705.28 = 609,631.20/x - Step 3: Cross multiply
1,125,871.68x = 1,553,705.28 × 609,631.20 - Step 4: Simplify right side
1,125,871.68x = 947,187,214,292.74 - Step 5: Solve for x
x = 947,187,214,292.74/1,125,871.68 - Step 6: Final answer
x = 841,292.33
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.