Home / 1,372,051.80-2,058,077.70-1,345,807.80

Finding the Fourth Proportional to 1,372,051.80, 2,058,077.70 and 1,345,807.80

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Solution

The fourth proportional to 1,372,051.80, 2,058,077.70 and 1,345,807.80 is: 2,018,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,051.80 : 2,058,077.70 = 1,345,807.80 : x
  2. Step 2: Convert to fraction form
    1,372,051.80/2,058,077.70 = 1,345,807.80/x
  3. Step 3: Cross multiply
    1,372,051.80x = 2,058,077.70 × 1,345,807.80
  4. Step 4: Simplify right side
    1,372,051.80x = 2,769,777,021,666.06
  5. Step 5: Solve for x
    x = 2,769,777,021,666.06/1,372,051.80
  6. Step 6: Final answer
    x = 2,018,711.70

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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.