Home / 1,340,354.43-1,849,707.83-728,507.00

Finding the Fourth Proportional to 1,340,354.43, 1,849,707.83 and 728,507.00

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Solution

The fourth proportional to 1,340,354.43, 1,849,707.83 and 728,507.00 is: 1,005,349.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,354.43 : 1,849,707.83 = 728,507.00 : x
  2. Step 2: Convert to fraction form
    1,340,354.43/1,849,707.83 = 728,507.00/x
  3. Step 3: Cross multiply
    1,340,354.43x = 1,849,707.83 × 728,507.00
  4. Step 4: Simplify right side
    1,340,354.43x = 1,347,525,108,555.35
  5. Step 5: Solve for x
    x = 1,347,525,108,555.35/1,340,354.43
  6. Step 6: Final answer
    x = 1,005,349.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.