Home / 1,434,839.22-1,980,168-790,259.25

Finding the Fourth Proportional to 1,434,839.22, 1,980,168 and 790,259.25

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Solution

The fourth proportional to 1,434,839.22, 1,980,168 and 790,259.25 is: 1,090,607.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,839.22 : 1,980,168 = 790,259.25 : x
  2. Step 2: Convert to fraction form
    1,434,839.22/1,980,168 = 790,259.25/x
  3. Step 3: Cross multiply
    1,434,839.22x = 1,980,168 × 790,259.25
  4. Step 4: Simplify right side
    1,434,839.22x = 1,564,846,078,554
  5. Step 5: Solve for x
    x = 1,564,846,078,554/1,434,839.22
  6. Step 6: Final answer
    x = 1,090,607.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.