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Finding the Fourth Proportional to 1,210,941, 1,671,150.48 and 674,397

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Solution

The fourth proportional to 1,210,941, 1,671,150.48 and 674,397 is: 930,696.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,941 : 1,671,150.48 = 674,397 : x
  2. Step 2: Convert to fraction form
    1,210,941/1,671,150.48 = 674,397/x
  3. Step 3: Cross multiply
    1,210,941x = 1,671,150.48 × 674,397
  4. Step 4: Simplify right side
    1,210,941x = 1,127,018,870,260.56
  5. Step 5: Solve for x
    x = 1,127,018,870,260.56/1,210,941
  6. Step 6: Final answer
    x = 930,696.76

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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.