Home / 1,299,000.48-1,948,002.30-445,913.10

Finding the Fourth Proportional to 1,299,000.48, 1,948,002.30 and 445,913.10

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Solution

The fourth proportional to 1,299,000.48, 1,948,002.30 and 445,913.10 is: 668,698.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,000.48 : 1,948,002.30 = 445,913.10 : x
  2. Step 2: Convert to fraction form
    1,299,000.48/1,948,002.30 = 445,913.10/x
  3. Step 3: Cross multiply
    1,299,000.48x = 1,948,002.30 × 445,913.10
  4. Step 4: Simplify right side
    1,299,000.48x = 868,639,744,400.13
  5. Step 5: Solve for x
    x = 868,639,744,400.13/1,299,000.48
  6. Step 6: Final answer
    x = 668,698.56

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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.