Home / 1,312,650.07-1,811,446.36-731,866.30

Finding the Fourth Proportional to 1,312,650.07, 1,811,446.36 and 731,866.30

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Solution

The fourth proportional to 1,312,650.07, 1,811,446.36 and 731,866.30 is: 1,009,969.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,650.07 : 1,811,446.36 = 731,866.30 : x
  2. Step 2: Convert to fraction form
    1,312,650.07/1,811,446.36 = 731,866.30/x
  3. Step 3: Cross multiply
    1,312,650.07x = 1,811,446.36 × 731,866.30
  4. Step 4: Simplify right side
    1,312,650.07x = 1,325,736,538,783.39
  5. Step 5: Solve for x
    x = 1,325,736,538,783.39/1,312,650.07
  6. Step 6: Final answer
    x = 1,009,969.50

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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.