Home / 1,387,500.80-2,081,308.80-440,844.80

Finding the Fourth Proportional to 1,387,500.80, 2,081,308.80 and 440,844.80

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Solution

The fourth proportional to 1,387,500.80, 2,081,308.80 and 440,844.80 is: 661,285.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,500.80 : 2,081,308.80 = 440,844.80 : x
  2. Step 2: Convert to fraction form
    1,387,500.80/2,081,308.80 = 440,844.80/x
  3. Step 3: Cross multiply
    1,387,500.80x = 2,081,308.80 × 440,844.80
  4. Step 4: Simplify right side
    1,387,500.80x = 917,534,161,674.24
  5. Step 5: Solve for x
    x = 917,534,161,674.24/1,387,500.80
  6. Step 6: Final answer
    x = 661,285.50

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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.