Home / 1,243,699.20-1,866,009.60-496,281.60

Finding the Fourth Proportional to 1,243,699.20, 1,866,009.60 and 496,281.60

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Solution

The fourth proportional to 1,243,699.20, 1,866,009.60 and 496,281.60 is: 744,606.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,699.20 : 1,866,009.60 = 496,281.60 : x
  2. Step 2: Convert to fraction form
    1,243,699.20/1,866,009.60 = 496,281.60/x
  3. Step 3: Cross multiply
    1,243,699.20x = 1,866,009.60 × 496,281.60
  4. Step 4: Simplify right side
    1,243,699.20x = 926,066,229,903.36
  5. Step 5: Solve for x
    x = 926,066,229,903.36/1,243,699.20
  6. Step 6: Final answer
    x = 744,606.28

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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.