Home / 1,681,034.40-2,521,879.65-669,984.30

Finding the Fourth Proportional to 1,681,034.40, 2,521,879.65 and 669,984.30

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Solution

The fourth proportional to 1,681,034.40, 2,521,879.65 and 669,984.30 is: 1,005,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,034.40 : 2,521,879.65 = 669,984.30 : x
  2. Step 2: Convert to fraction form
    1,681,034.40/2,521,879.65 = 669,984.30/x
  3. Step 3: Cross multiply
    1,681,034.40x = 2,521,879.65 × 669,984.30
  4. Step 4: Simplify right side
    1,681,034.40x = 1,689,619,771,989.50
  5. Step 5: Solve for x
    x = 1,689,619,771,989.50/1,681,034.40
  6. Step 6: Final answer
    x = 1,005,107.20

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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.