Home / 1,229,346.40-1,843,144.80-470,894.80

Finding the Fourth Proportional to 1,229,346.40, 1,843,144.80 and 470,894.80

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Solution

The fourth proportional to 1,229,346.40, 1,843,144.80 and 470,894.80 is: 706,007.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,346.40 : 1,843,144.80 = 470,894.80 : x
  2. Step 2: Convert to fraction form
    1,229,346.40/1,843,144.80 = 470,894.80/x
  3. Step 3: Cross multiply
    1,229,346.40x = 1,843,144.80 × 470,894.80
  4. Step 4: Simplify right side
    1,229,346.40x = 867,927,301,967.04
  5. Step 5: Solve for x
    x = 867,927,301,967.04/1,229,346.40
  6. Step 6: Final answer
    x = 706,007.11

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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.