Home / 1,313,000.70-1,969,501.05-648,066.30

Finding the Fourth Proportional to 1,313,000.70, 1,969,501.05 and 648,066.30

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Solution

The fourth proportional to 1,313,000.70, 1,969,501.05 and 648,066.30 is: 972,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,000.70 : 1,969,501.05 = 648,066.30 : x
  2. Step 2: Convert to fraction form
    1,313,000.70/1,969,501.05 = 648,066.30/x
  3. Step 3: Cross multiply
    1,313,000.70x = 1,969,501.05 × 648,066.30
  4. Step 4: Simplify right side
    1,313,000.70x = 1,276,367,258,319.62
  5. Step 5: Solve for x
    x = 1,276,367,258,319.62/1,313,000.70
  6. Step 6: Final answer
    x = 972,099.45

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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.