Finding the Fourth Proportional to 1,352,027.84, 1,865,688.12 and 771,248.12
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Solution
The fourth proportional to 1,352,027.84, 1,865,688.12 and 771,248.12 is: 1,064,259.48
Step by Step Solution
- Step 1: Write the proportion equation
1,352,027.84 : 1,865,688.12 = 771,248.12 : x - Step 2: Convert to fraction form
1,352,027.84/1,865,688.12 = 771,248.12/x - Step 3: Cross multiply
1,352,027.84x = 1,865,688.12 × 771,248.12 - Step 4: Simplify right side
1,352,027.84x = 1,438,908,445,727.89 - Step 5: Solve for x
x = 1,438,908,445,727.89/1,352,027.84 - Step 6: Final answer
x = 1,064,259.48
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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.