Home / 1,678,045-2,316,577.62-1,304,680.04

Finding the Fourth Proportional to 1,678,045, 2,316,577.62 and 1,304,680.04

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Solution

The fourth proportional to 1,678,045, 2,316,577.62 and 1,304,680.04 is: 1,801,139.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,045 : 2,316,577.62 = 1,304,680.04 : x
  2. Step 2: Convert to fraction form
    1,678,045/2,316,577.62 = 1,304,680.04/x
  3. Step 3: Cross multiply
    1,678,045x = 2,316,577.62 × 1,304,680.04
  4. Step 4: Simplify right side
    1,678,045x = 3,022,392,581,924.71
  5. Step 5: Solve for x
    x = 3,022,392,581,924.71/1,678,045
  6. Step 6: Final answer
    x = 1,801,139.17

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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.