Home / 1,303,320.48-1,956,036.96-672,414.72

Finding the Fourth Proportional to 1,303,320.48, 1,956,036.96 and 672,414.72

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Solution

The fourth proportional to 1,303,320.48, 1,956,036.96 and 672,414.72 is: 1,009,167.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,320.48 : 1,956,036.96 = 672,414.72 : x
  2. Step 2: Convert to fraction form
    1,303,320.48/1,956,036.96 = 672,414.72/x
  3. Step 3: Cross multiply
    1,303,320.48x = 1,956,036.96 × 672,414.72
  4. Step 4: Simplify right side
    1,303,320.48x = 1,315,268,044,768.05
  5. Step 5: Solve for x
    x = 1,315,268,044,768.05/1,303,320.48
  6. Step 6: Final answer
    x = 1,009,167.02

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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.