Home / 1,343,227.32-2,014,988.60-669,478.23

Finding the Fourth Proportional to 1,343,227.32, 2,014,988.60 and 669,478.23

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Solution

The fourth proportional to 1,343,227.32, 2,014,988.60 and 669,478.23 is: 1,004,290.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,227.32 : 2,014,988.60 = 669,478.23 : x
  2. Step 2: Convert to fraction form
    1,343,227.32/2,014,988.60 = 669,478.23/x
  3. Step 3: Cross multiply
    1,343,227.32x = 2,014,988.60 × 669,478.23
  4. Step 4: Simplify right side
    1,343,227.32x = 1,348,991,001,398.18
  5. Step 5: Solve for x
    x = 1,348,991,001,398.18/1,343,227.32
  6. Step 6: Final answer
    x = 1,004,290.92

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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.