Home / 674,526.35-1,011,765.40-169,091.48

Finding the Fourth Proportional to 674,526.35, 1,011,765.40 and 169,091.48

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Solution

The fourth proportional to 674,526.35, 1,011,765.40 and 169,091.48 is: 253,631.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,526.35 : 1,011,765.40 = 169,091.48 : x
  2. Step 2: Convert to fraction form
    674,526.35/1,011,765.40 = 169,091.48/x
  3. Step 3: Cross multiply
    674,526.35x = 1,011,765.40 × 169,091.48
  4. Step 4: Simplify right side
    674,526.35x = 171,080,911,005.48
  5. Step 5: Solve for x
    x = 171,080,911,005.48/674,526.35
  6. Step 6: Final answer
    x = 253,631.17

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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.