Home / 1,486,081.56-2,051,420.40-1,003,300.68

Finding the Fourth Proportional to 1,486,081.56, 2,051,420.40 and 1,003,300.68

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Solution

The fourth proportional to 1,486,081.56, 2,051,420.40 and 1,003,300.68 is: 1,384,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,081.56 : 2,051,420.40 = 1,003,300.68 : x
  2. Step 2: Convert to fraction form
    1,486,081.56/2,051,420.40 = 1,003,300.68/x
  3. Step 3: Cross multiply
    1,486,081.56x = 2,051,420.40 × 1,003,300.68
  4. Step 4: Simplify right side
    1,486,081.56x = 2,058,191,482,285.87
  5. Step 5: Solve for x
    x = 2,058,191,482,285.87/1,486,081.56
  6. Step 6: Final answer
    x = 1,384,978.82

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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.