Home / 1,453,645.61-2,180,296.70-388,770.20

Finding the Fourth Proportional to 1,453,645.61, 2,180,296.70 and 388,770.20

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Solution

The fourth proportional to 1,453,645.61, 2,180,296.70 and 388,770.20 is: 583,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,645.61 : 2,180,296.70 = 388,770.20 : x
  2. Step 2: Convert to fraction form
    1,453,645.61/2,180,296.70 = 388,770.20/x
  3. Step 3: Cross multiply
    1,453,645.61x = 2,180,296.70 × 388,770.20
  4. Step 4: Simplify right side
    1,453,645.61x = 847,634,382,174.49
  5. Step 5: Solve for x
    x = 847,634,382,174.49/1,453,645.61
  6. Step 6: Final answer
    x = 583,109.37

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1.5x scale

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.