Home / 1,485,186.50-2,051,229.12-1,003,740.32

Finding the Fourth Proportional to 1,485,186.50, 2,051,229.12 and 1,003,740.32

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Solution

The fourth proportional to 1,485,186.50, 2,051,229.12 and 1,003,740.32 is: 1,386,291.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,186.50 : 2,051,229.12 = 1,003,740.32 : x
  2. Step 2: Convert to fraction form
    1,485,186.50/2,051,229.12 = 1,003,740.32/x
  3. Step 3: Cross multiply
    1,485,186.50x = 2,051,229.12 × 1,003,740.32
  4. Step 4: Simplify right side
    1,485,186.50x = 2,058,901,373,302.12
  5. Step 5: Solve for x
    x = 2,058,901,373,302.12/1,485,186.50
  6. Step 6: Final answer
    x = 1,386,291.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.