Home / 1,434,005.40-2,148,416.10-834,475.80

Finding the Fourth Proportional to 1,434,005.40, 2,148,416.10 and 834,475.80

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Solution

The fourth proportional to 1,434,005.40, 2,148,416.10 and 834,475.80 is: 1,250,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,005.40 : 2,148,416.10 = 834,475.80 : x
  2. Step 2: Convert to fraction form
    1,434,005.40/2,148,416.10 = 834,475.80/x
  3. Step 3: Cross multiply
    1,434,005.40x = 2,148,416.10 × 834,475.80
  4. Step 4: Simplify right side
    1,434,005.40x = 1,792,801,243,780.38
  5. Step 5: Solve for x
    x = 1,792,801,243,780.38/1,434,005.40
  6. Step 6: Final answer
    x = 1,250,205.36

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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.