Home / 1,230,452.40-1,845,678.60-779,711.70

Finding the Fourth Proportional to 1,230,452.40, 1,845,678.60 and 779,711.70

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Solution

The fourth proportional to 1,230,452.40, 1,845,678.60 and 779,711.70 is: 1,169,567.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,452.40 : 1,845,678.60 = 779,711.70 : x
  2. Step 2: Convert to fraction form
    1,230,452.40/1,845,678.60 = 779,711.70/x
  3. Step 3: Cross multiply
    1,230,452.40x = 1,845,678.60 × 779,711.70
  4. Step 4: Simplify right side
    1,230,452.40x = 1,439,097,198,859.62
  5. Step 5: Solve for x
    x = 1,439,097,198,859.62/1,230,452.40
  6. Step 6: Final answer
    x = 1,169,567.55

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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.