Home / 1,408,006.40-2,111,491.20-697,798.40

Finding the Fourth Proportional to 1,408,006.40, 2,111,491.20 and 697,798.40

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Solution

The fourth proportional to 1,408,006.40, 2,111,491.20 and 697,798.40 is: 1,046,440.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,006.40 : 2,111,491.20 = 697,798.40 : x
  2. Step 2: Convert to fraction form
    1,408,006.40/2,111,491.20 = 697,798.40/x
  3. Step 3: Cross multiply
    1,408,006.40x = 2,111,491.20 × 697,798.40
  4. Step 4: Simplify right side
    1,408,006.40x = 1,473,395,180,974.08
  5. Step 5: Solve for x
    x = 1,473,395,180,974.08/1,408,006.40
  6. Step 6: Final answer
    x = 1,046,440.68

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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.