Home / 1,066,980.30-1,600,470.45-668,849.10

Finding the Fourth Proportional to 1,066,980.30, 1,600,470.45 and 668,849.10

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Solution

The fourth proportional to 1,066,980.30, 1,600,470.45 and 668,849.10 is: 1,003,273.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,980.30 : 1,600,470.45 = 668,849.10 : x
  2. Step 2: Convert to fraction form
    1,066,980.30/1,600,470.45 = 668,849.10/x
  3. Step 3: Cross multiply
    1,066,980.30x = 1,600,470.45 × 668,849.10
  4. Step 4: Simplify right side
    1,066,980.30x = 1,070,473,220,059.10
  5. Step 5: Solve for x
    x = 1,070,473,220,059.10/1,066,980.30
  6. Step 6: Final answer
    x = 1,003,273.65

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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.