Home / 1,460,890.40-2,189,845.20-987,623.60

Finding the Fourth Proportional to 1,460,890.40, 2,189,845.20 and 987,623.60

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Solution

The fourth proportional to 1,460,890.40, 2,189,845.20 and 987,623.60 is: 1,480,427.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460,890.40 : 2,189,845.20 = 987,623.60 : x
  2. Step 2: Convert to fraction form
    1,460,890.40/2,189,845.20 = 987,623.60/x
  3. Step 3: Cross multiply
    1,460,890.40x = 2,189,845.20 × 987,623.60
  4. Step 4: Simplify right side
    1,460,890.40x = 2,162,742,799,866.72
  5. Step 5: Solve for x
    x = 2,162,742,799,866.72/1,460,890.40
  6. Step 6: Final answer
    x = 1,480,427.83

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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.