Home / 1,507,443.40-2,261,165.10-869,714.20

Finding the Fourth Proportional to 1,507,443.40, 2,261,165.10 and 869,714.20

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Solution

The fourth proportional to 1,507,443.40, 2,261,165.10 and 869,714.20 is: 1,304,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,443.40 : 2,261,165.10 = 869,714.20 : x
  2. Step 2: Convert to fraction form
    1,507,443.40/2,261,165.10 = 869,714.20/x
  3. Step 3: Cross multiply
    1,507,443.40x = 2,261,165.10 × 869,714.20
  4. Step 4: Simplify right side
    1,507,443.40x = 1,966,567,396,014.42
  5. Step 5: Solve for x
    x = 1,966,567,396,014.42/1,507,443.40
  6. Step 6: Final answer
    x = 1,304,571.30

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Double scale
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Similar ratio
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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.