Home / 1,025,359.80-1,538,039.70-456,739.80

Finding the Fourth Proportional to 1,025,359.80, 1,538,039.70 and 456,739.80

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Solution

The fourth proportional to 1,025,359.80, 1,538,039.70 and 456,739.80 is: 685,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,359.80 : 1,538,039.70 = 456,739.80 : x
  2. Step 2: Convert to fraction form
    1,025,359.80/1,538,039.70 = 456,739.80/x
  3. Step 3: Cross multiply
    1,025,359.80x = 1,538,039.70 × 456,739.80
  4. Step 4: Simplify right side
    1,025,359.80x = 702,483,944,970.06
  5. Step 5: Solve for x
    x = 702,483,944,970.06/1,025,359.80
  6. Step 6: Final answer
    x = 685,109.70

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1.5x scale

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.