Home / 1,428,314.38-2,142,484.12-363,357.56

Finding the Fourth Proportional to 1,428,314.38, 2,142,484.12 and 363,357.56

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Solution

The fourth proportional to 1,428,314.38, 2,142,484.12 and 363,357.56 is: 545,039.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,314.38 : 2,142,484.12 = 363,357.56 : x
  2. Step 2: Convert to fraction form
    1,428,314.38/2,142,484.12 = 363,357.56/x
  3. Step 3: Cross multiply
    1,428,314.38x = 2,142,484.12 × 363,357.56
  4. Step 4: Simplify right side
    1,428,314.38x = 778,487,807,992.35
  5. Step 5: Solve for x
    x = 778,487,807,992.35/1,428,314.38
  6. Step 6: Final answer
    x = 545,039.54

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1.5x scale

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.