Home / 1,238,297.40-1,857,446.10-958,015.80

Finding the Fourth Proportional to 1,238,297.40, 1,857,446.10 and 958,015.80

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Solution

The fourth proportional to 1,238,297.40, 1,857,446.10 and 958,015.80 is: 1,437,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,297.40 : 1,857,446.10 = 958,015.80 : x
  2. Step 2: Convert to fraction form
    1,238,297.40/1,857,446.10 = 958,015.80/x
  3. Step 3: Cross multiply
    1,238,297.40x = 1,857,446.10 × 958,015.80
  4. Step 4: Simplify right side
    1,238,297.40x = 1,779,462,711,448.38
  5. Step 5: Solve for x
    x = 1,779,462,711,448.38/1,238,297.40
  6. Step 6: Final answer
    x = 1,437,023.70

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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.