Home / 1,387,210.86-2,080,954.80-376,349.49

Finding the Fourth Proportional to 1,387,210.86, 2,080,954.80 and 376,349.49

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Solution

The fourth proportional to 1,387,210.86, 2,080,954.80 and 376,349.49 is: 564,561.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,210.86 : 2,080,954.80 = 376,349.49 : x
  2. Step 2: Convert to fraction form
    1,387,210.86/2,080,954.80 = 376,349.49/x
  3. Step 3: Cross multiply
    1,387,210.86x = 2,080,954.80 × 376,349.49
  4. Step 4: Simplify right side
    1,387,210.86x = 783,166,277,693.05
  5. Step 5: Solve for x
    x = 783,166,277,693.05/1,387,210.86
  6. Step 6: Final answer
    x = 564,561.81

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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.