Home / 1,266,942.32-1,748,318.28-693,985.04

Finding the Fourth Proportional to 1,266,942.32, 1,748,318.28 and 693,985.04

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Solution

The fourth proportional to 1,266,942.32, 1,748,318.28 and 693,985.04 is: 957,665.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,942.32 : 1,748,318.28 = 693,985.04 : x
  2. Step 2: Convert to fraction form
    1,266,942.32/1,748,318.28 = 693,985.04/x
  3. Step 3: Cross multiply
    1,266,942.32x = 1,748,318.28 × 693,985.04
  4. Step 4: Simplify right side
    1,266,942.32x = 1,213,306,731,478.53
  5. Step 5: Solve for x
    x = 1,213,306,731,478.53/1,266,942.32
  6. Step 6: Final answer
    x = 957,665.33

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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.