Home / 985,260.60-1,477,890.90-825,828.30

Finding the Fourth Proportional to 985,260.60, 1,477,890.90 and 825,828.30

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Solution

The fourth proportional to 985,260.60, 1,477,890.90 and 825,828.30 is: 1,238,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,260.60 : 1,477,890.90 = 825,828.30 : x
  2. Step 2: Convert to fraction form
    985,260.60/1,477,890.90 = 825,828.30/x
  3. Step 3: Cross multiply
    985,260.60x = 1,477,890.90 × 825,828.30
  4. Step 4: Simplify right side
    985,260.60x = 1,220,484,129,532.47
  5. Step 5: Solve for x
    x = 1,220,484,129,532.47/985,260.60
  6. Step 6: Final answer
    x = 1,238,742.45

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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.