Finding the Fourth Proportional to 1,388,486.08, 1,915,545.36 and 904,875.04
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Solution
The fourth proportional to 1,388,486.08, 1,915,545.36 and 904,875.04 is: 1,248,359.06
Step by Step Solution
- Step 1: Write the proportion equation
1,388,486.08 : 1,915,545.36 = 904,875.04 : x - Step 2: Convert to fraction form
1,388,486.08/1,915,545.36 = 904,875.04/x - Step 3: Cross multiply
1,388,486.08x = 1,915,545.36 × 904,875.04 - Step 4: Simplify right side
1,388,486.08x = 1,733,329,184,251.81 - Step 5: Solve for x
x = 1,733,329,184,251.81/1,388,486.08 - Step 6: Final answer
x = 1,248,359.06
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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.