Home / 1,743,308.12-2,405,750.70-979,345.16

Finding the Fourth Proportional to 1,743,308.12, 2,405,750.70 and 979,345.16

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Solution

The fourth proportional to 1,743,308.12, 2,405,750.70 and 979,345.16 is: 1,351,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743,308.12 : 2,405,750.70 = 979,345.16 : x
  2. Step 2: Convert to fraction form
    1,743,308.12/2,405,750.70 = 979,345.16/x
  3. Step 3: Cross multiply
    1,743,308.12x = 2,405,750.70 × 979,345.16
  4. Step 4: Simplify right side
    1,743,308.12x = 2,356,060,304,211.61
  5. Step 5: Solve for x
    x = 2,356,060,304,211.61/1,743,308.12
  6. Step 6: Final answer
    x = 1,351,488.17

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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.