Home / 1,108,857.56-1,530,221.34-625,421.24

Finding the Fourth Proportional to 1,108,857.56, 1,530,221.34 and 625,421.24

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Solution

The fourth proportional to 1,108,857.56, 1,530,221.34 and 625,421.24 is: 863,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,857.56 : 1,530,221.34 = 625,421.24 : x
  2. Step 2: Convert to fraction form
    1,108,857.56/1,530,221.34 = 625,421.24/x
  3. Step 3: Cross multiply
    1,108,857.56x = 1,530,221.34 × 625,421.24
  4. Step 4: Simplify right side
    1,108,857.56x = 957,032,927,937.26
  5. Step 5: Solve for x
    x = 957,032,927,937.26/1,108,857.56
  6. Step 6: Final answer
    x = 863,080.13

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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.