Home / 1,108,780.65-1,530,115.25-625,344.30

Finding the Fourth Proportional to 1,108,780.65, 1,530,115.25 and 625,344.30

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Solution

The fourth proportional to 1,108,780.65, 1,530,115.25 and 625,344.30 is: 862,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,780.65 : 1,530,115.25 = 625,344.30 : x
  2. Step 2: Convert to fraction form
    1,108,780.65/1,530,115.25 = 625,344.30/x
  3. Step 3: Cross multiply
    1,108,780.65x = 1,530,115.25 × 625,344.30
  4. Step 4: Simplify right side
    1,108,780.65x = 956,848,846,803.85
  5. Step 5: Solve for x
    x = 956,848,846,803.85/1,108,780.65
  6. Step 6: Final answer
    x = 862,973.98

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Double scale
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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.