Home / 1,107,346.42-1,528,336.23-648,434.20

Finding the Fourth Proportional to 1,107,346.42, 1,528,336.23 and 648,434.20

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Solution

The fourth proportional to 1,107,346.42, 1,528,336.23 and 648,434.20 is: 894,955.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,346.42 : 1,528,336.23 = 648,434.20 : x
  2. Step 2: Convert to fraction form
    1,107,346.42/1,528,336.23 = 648,434.20/x
  3. Step 3: Cross multiply
    1,107,346.42x = 1,528,336.23 × 648,434.20
  4. Step 4: Simplify right side
    1,107,346.42x = 991,025,485,190.12
  5. Step 5: Solve for x
    x = 991,025,485,190.12/1,107,346.42
  6. Step 6: Final answer
    x = 894,955.24

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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.