Home / 1,559,947.80-2,339,921.70-720,139.80

Finding the Fourth Proportional to 1,559,947.80, 2,339,921.70 and 720,139.80

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Solution

The fourth proportional to 1,559,947.80, 2,339,921.70 and 720,139.80 is: 1,080,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,947.80 : 2,339,921.70 = 720,139.80 : x
  2. Step 2: Convert to fraction form
    1,559,947.80/2,339,921.70 = 720,139.80/x
  3. Step 3: Cross multiply
    1,559,947.80x = 2,339,921.70 × 720,139.80
  4. Step 4: Simplify right side
    1,559,947.80x = 1,685,070,745,053.66
  5. Step 5: Solve for x
    x = 1,685,070,745,053.66/1,559,947.80
  6. Step 6: Final answer
    x = 1,080,209.70

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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.