Home / 1,240,669.80-1,861,004.70-442,852.20

Finding the Fourth Proportional to 1,240,669.80, 1,861,004.70 and 442,852.20

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Solution

The fourth proportional to 1,240,669.80, 1,861,004.70 and 442,852.20 is: 664,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,669.80 : 1,861,004.70 = 442,852.20 : x
  2. Step 2: Convert to fraction form
    1,240,669.80/1,861,004.70 = 442,852.20/x
  3. Step 3: Cross multiply
    1,240,669.80x = 1,861,004.70 × 442,852.20
  4. Step 4: Simplify right side
    1,240,669.80x = 824,150,025,605.34
  5. Step 5: Solve for x
    x = 824,150,025,605.34/1,240,669.80
  6. Step 6: Final answer
    x = 664,278.30

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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.