Home / 1,335,341.96-2,003,341.26-388,720.88

Finding the Fourth Proportional to 1,335,341.96, 2,003,341.26 and 388,720.88

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Solution

The fourth proportional to 1,335,341.96, 2,003,341.26 and 388,720.88 is: 583,176.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,341.96 : 2,003,341.26 = 388,720.88 : x
  2. Step 2: Convert to fraction form
    1,335,341.96/2,003,341.26 = 388,720.88/x
  3. Step 3: Cross multiply
    1,335,341.96x = 2,003,341.26 × 388,720.88
  4. Step 4: Simplify right side
    1,335,341.96x = 778,740,577,527.51
  5. Step 5: Solve for x
    x = 778,740,577,527.51/1,335,341.96
  6. Step 6: Final answer
    x = 583,176.89

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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.