Home / 1,238,885.19-1,857,934.13-842,075.91

Finding the Fourth Proportional to 1,238,885.19, 1,857,934.13 and 842,075.91

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Solution

The fourth proportional to 1,238,885.19, 1,857,934.13 and 842,075.91 is: 1,262,846.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,885.19 : 1,857,934.13 = 842,075.91 : x
  2. Step 2: Convert to fraction form
    1,238,885.19/1,857,934.13 = 842,075.91/x
  3. Step 3: Cross multiply
    1,238,885.19x = 1,857,934.13 × 842,075.91
  4. Step 4: Simplify right side
    1,238,885.19x = 1,564,521,569,029.43
  5. Step 5: Solve for x
    x = 1,564,521,569,029.43/1,238,885.19
  6. Step 6: Final answer
    x = 1,262,846.29

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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.