Home / 1,555,009.90-2,332,632.90-530,021.60

Finding the Fourth Proportional to 1,555,009.90, 2,332,632.90 and 530,021.60

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Solution

The fourth proportional to 1,555,009.90, 2,332,632.90 and 530,021.60 is: 795,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,009.90 : 2,332,632.90 = 530,021.60 : x
  2. Step 2: Convert to fraction form
    1,555,009.90/2,332,632.90 = 530,021.60/x
  3. Step 3: Cross multiply
    1,555,009.90x = 2,332,632.90 × 530,021.60
  4. Step 4: Simplify right side
    1,555,009.90x = 1,236,345,821,870.64
  5. Step 5: Solve for x
    x = 1,236,345,821,870.64/1,555,009.90
  6. Step 6: Final answer
    x = 795,072.64

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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.