Home / 1,313,390.70-1,970,086.05-514,406.70

Finding the Fourth Proportional to 1,313,390.70, 1,970,086.05 and 514,406.70

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Solution

The fourth proportional to 1,313,390.70, 1,970,086.05 and 514,406.70 is: 771,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,390.70 : 1,970,086.05 = 514,406.70 : x
  2. Step 2: Convert to fraction form
    1,313,390.70/1,970,086.05 = 514,406.70/x
  3. Step 3: Cross multiply
    1,313,390.70x = 1,970,086.05 × 514,406.70
  4. Step 4: Simplify right side
    1,313,390.70x = 1,013,425,463,696.54
  5. Step 5: Solve for x
    x = 1,013,425,463,696.54/1,313,390.70
  6. Step 6: Final answer
    x = 771,610.05

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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.