Home / 1,257,936.18-1,895,306.65-1,138,146.69

Finding the Fourth Proportional to 1,257,936.18, 1,895,306.65 and 1,138,146.69

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Solution

The fourth proportional to 1,257,936.18, 1,895,306.65 and 1,138,146.69 is: 1,714,822.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,936.18 : 1,895,306.65 = 1,138,146.69 : x
  2. Step 2: Convert to fraction form
    1,257,936.18/1,895,306.65 = 1,138,146.69/x
  3. Step 3: Cross multiply
    1,257,936.18x = 1,895,306.65 × 1,138,146.69
  4. Step 4: Simplify right side
    1,257,936.18x = 2,157,136,994,494.52
  5. Step 5: Solve for x
    x = 2,157,136,994,494.52/1,257,936.18
  6. Step 6: Final answer
    x = 1,714,822.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.