Home / 1,377,131.40-2,065,697.10-579,313.80

Finding the Fourth Proportional to 1,377,131.40, 2,065,697.10 and 579,313.80

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Solution

The fourth proportional to 1,377,131.40, 2,065,697.10 and 579,313.80 is: 868,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,131.40 : 2,065,697.10 = 579,313.80 : x
  2. Step 2: Convert to fraction form
    1,377,131.40/2,065,697.10 = 579,313.80/x
  3. Step 3: Cross multiply
    1,377,131.40x = 2,065,697.10 × 579,313.80
  4. Step 4: Simplify right side
    1,377,131.40x = 1,196,686,836,649.98
  5. Step 5: Solve for x
    x = 1,196,686,836,649.98/1,377,131.40
  6. Step 6: Final answer
    x = 868,970.70

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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.