Home / 1,208,711.70-1,813,067.55-788,462.10

Finding the Fourth Proportional to 1,208,711.70, 1,813,067.55 and 788,462.10

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Solution

The fourth proportional to 1,208,711.70, 1,813,067.55 and 788,462.10 is: 1,182,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,711.70 : 1,813,067.55 = 788,462.10 : x
  2. Step 2: Convert to fraction form
    1,208,711.70/1,813,067.55 = 788,462.10/x
  3. Step 3: Cross multiply
    1,208,711.70x = 1,813,067.55 × 788,462.10
  4. Step 4: Simplify right side
    1,208,711.70x = 1,429,535,047,914.86
  5. Step 5: Solve for x
    x = 1,429,535,047,914.86/1,208,711.70
  6. Step 6: Final answer
    x = 1,182,693.15

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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.