Home / 674,126.58-1,011,192.64-168,686.18

Finding the Fourth Proportional to 674,126.58, 1,011,192.64 and 168,686.18

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Solution

The fourth proportional to 674,126.58, 1,011,192.64 and 168,686.18 is: 253,029.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,126.58 : 1,011,192.64 = 168,686.18 : x
  2. Step 2: Convert to fraction form
    674,126.58/1,011,192.64 = 168,686.18/x
  3. Step 3: Cross multiply
    674,126.58x = 1,011,192.64 × 168,686.18
  4. Step 4: Simplify right side
    674,126.58x = 170,574,223,685.72
  5. Step 5: Solve for x
    x = 170,574,223,685.72/674,126.58
  6. Step 6: Final answer
    x = 253,029.96

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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.