Home / 1,042,957.60-1,565,019.60-443,816.80

Finding the Fourth Proportional to 1,042,957.60, 1,565,019.60 and 443,816.80

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Solution

The fourth proportional to 1,042,957.60, 1,565,019.60 and 443,816.80 is: 665,973.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,957.60 : 1,565,019.60 = 443,816.80 : x
  2. Step 2: Convert to fraction form
    1,042,957.60/1,565,019.60 = 443,816.80/x
  3. Step 3: Cross multiply
    1,042,957.60x = 1,565,019.60 × 443,816.80
  4. Step 4: Simplify right side
    1,042,957.60x = 694,581,990,809.28
  5. Step 5: Solve for x
    x = 694,581,990,809.28/1,042,957.60
  6. Step 6: Final answer
    x = 665,973.37

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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.