Home / 1,312,418.80-1,968,628.20-470,861.20

Finding the Fourth Proportional to 1,312,418.80, 1,968,628.20 and 470,861.20

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Solution

The fourth proportional to 1,312,418.80, 1,968,628.20 and 470,861.20 is: 706,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,418.80 : 1,968,628.20 = 470,861.20 : x
  2. Step 2: Convert to fraction form
    1,312,418.80/1,968,628.20 = 470,861.20/x
  3. Step 3: Cross multiply
    1,312,418.80x = 1,968,628.20 × 470,861.20
  4. Step 4: Simplify right side
    1,312,418.80x = 926,950,636,605.84
  5. Step 5: Solve for x
    x = 926,950,636,605.84/1,312,418.80
  6. Step 6: Final answer
    x = 706,291.80

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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.