Home / 1,465,809.80-2,198,714.70-520,248.20

Finding the Fourth Proportional to 1,465,809.80, 2,198,714.70 and 520,248.20

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Solution

The fourth proportional to 1,465,809.80, 2,198,714.70 and 520,248.20 is: 780,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,809.80 : 2,198,714.70 = 520,248.20 : x
  2. Step 2: Convert to fraction form
    1,465,809.80/2,198,714.70 = 520,248.20/x
  3. Step 3: Cross multiply
    1,465,809.80x = 2,198,714.70 × 520,248.20
  4. Step 4: Simplify right side
    1,465,809.80x = 1,143,877,364,988.54
  5. Step 5: Solve for x
    x = 1,143,877,364,988.54/1,465,809.80
  6. Step 6: Final answer
    x = 780,372.30

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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.