Home / 1,379,743.34-2,069,615.57-620,698.20

Finding the Fourth Proportional to 1,379,743.34, 2,069,615.57 and 620,698.20

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Solution

The fourth proportional to 1,379,743.34, 2,069,615.57 and 620,698.20 is: 931,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,743.34 : 2,069,615.57 = 620,698.20 : x
  2. Step 2: Convert to fraction form
    1,379,743.34/2,069,615.57 = 620,698.20/x
  3. Step 3: Cross multiply
    1,379,743.34x = 2,069,615.57 × 620,698.20
  4. Step 4: Simplify right side
    1,379,743.34x = 1,284,606,655,887.48
  5. Step 5: Solve for x
    x = 1,284,606,655,887.48/1,379,743.34
  6. Step 6: Final answer
    x = 931,047.55

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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.