Finding the Fourth Proportional to 1,232,541.48, 1,700,875.44 and 688,681.74
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Solution
The fourth proportional to 1,232,541.48, 1,700,875.44 and 688,681.74 is: 950,363.03
Step by Step Solution
- Step 1: Write the proportion equation
1,232,541.48 : 1,700,875.44 = 688,681.74 : x - Step 2: Convert to fraction form
1,232,541.48/1,700,875.44 = 688,681.74/x - Step 3: Cross multiply
1,232,541.48x = 1,700,875.44 × 688,681.74 - Step 4: Simplify right side
1,232,541.48x = 1,171,361,857,542.47 - Step 5: Solve for x
x = 1,171,361,857,542.47/1,232,541.48 - Step 6: Final answer
x = 950,363.03
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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.