Home / 1,666,165.32-2,299,319.18-902,218.88

Finding the Fourth Proportional to 1,666,165.32, 2,299,319.18 and 902,218.88

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Solution

The fourth proportional to 1,666,165.32, 2,299,319.18 and 902,218.88 is: 1,245,068.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,165.32 : 2,299,319.18 = 902,218.88 : x
  2. Step 2: Convert to fraction form
    1,666,165.32/2,299,319.18 = 902,218.88/x
  3. Step 3: Cross multiply
    1,666,165.32x = 2,299,319.18 × 902,218.88
  4. Step 4: Simplify right side
    1,666,165.32x = 2,074,489,175,342.12
  5. Step 5: Solve for x
    x = 2,074,489,175,342.12/1,666,165.32
  6. Step 6: Final answer
    x = 1,245,068.03

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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.