Home / 1,381,341.46-2,071,467.63-671,159.38

Finding the Fourth Proportional to 1,381,341.46, 2,071,467.63 and 671,159.38

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Solution

The fourth proportional to 1,381,341.46, 2,071,467.63 and 671,159.38 is: 1,006,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,341.46 : 2,071,467.63 = 671,159.38 : x
  2. Step 2: Convert to fraction form
    1,381,341.46/2,071,467.63 = 671,159.38/x
  3. Step 3: Cross multiply
    1,381,341.46x = 2,071,467.63 × 671,159.38
  4. Step 4: Simplify right side
    1,381,341.46x = 1,390,284,930,240.87
  5. Step 5: Solve for x
    x = 1,390,284,930,240.87/1,381,341.46
  6. Step 6: Final answer
    x = 1,006,474.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.