Home / 1,425,559.28-2,138,080.59-572,596.47

Finding the Fourth Proportional to 1,425,559.28, 2,138,080.59 and 572,596.47

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Solution

The fourth proportional to 1,425,559.28, 2,138,080.59 and 572,596.47 is: 858,790.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,559.28 : 2,138,080.59 = 572,596.47 : x
  2. Step 2: Convert to fraction form
    1,425,559.28/2,138,080.59 = 572,596.47/x
  3. Step 3: Cross multiply
    1,425,559.28x = 2,138,080.59 × 572,596.47
  4. Step 4: Simplify right side
    1,425,559.28x = 1,224,257,398,409.52
  5. Step 5: Solve for x
    x = 1,224,257,398,409.52/1,425,559.28
  6. Step 6: Final answer
    x = 858,790.95

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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.