Home / 1,010,308.70-1,515,463.05-974,879.30

Finding the Fourth Proportional to 1,010,308.70, 1,515,463.05 and 974,879.30

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Solution

The fourth proportional to 1,010,308.70, 1,515,463.05 and 974,879.30 is: 1,462,318.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,308.70 : 1,515,463.05 = 974,879.30 : x
  2. Step 2: Convert to fraction form
    1,010,308.70/1,515,463.05 = 974,879.30/x
  3. Step 3: Cross multiply
    1,010,308.70x = 1,515,463.05 × 974,879.30
  4. Step 4: Simplify right side
    1,010,308.70x = 1,477,393,557,359.87
  5. Step 5: Solve for x
    x = 1,477,393,557,359.87/1,010,308.70
  6. Step 6: Final answer
    x = 1,462,318.95

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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.