Home / 930,111.80-1,395,167.70-720,159.80

Finding the Fourth Proportional to 930,111.80, 1,395,167.70 and 720,159.80

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Solution

The fourth proportional to 930,111.80, 1,395,167.70 and 720,159.80 is: 1,080,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,111.80 : 1,395,167.70 = 720,159.80 : x
  2. Step 2: Convert to fraction form
    930,111.80/1,395,167.70 = 720,159.80/x
  3. Step 3: Cross multiply
    930,111.80x = 1,395,167.70 × 720,159.80
  4. Step 4: Simplify right side
    930,111.80x = 1,004,743,691,798.46
  5. Step 5: Solve for x
    x = 1,004,743,691,798.46/930,111.80
  6. Step 6: Final answer
    x = 1,080,239.70

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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.