Home / 1,265,478.37-1,898,502.36-400,965.30

Finding the Fourth Proportional to 1,265,478.37, 1,898,502.36 and 400,965.30

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Solution

The fourth proportional to 1,265,478.37, 1,898,502.36 and 400,965.30 is: 601,538.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,478.37 : 1,898,502.36 = 400,965.30 : x
  2. Step 2: Convert to fraction form
    1,265,478.37/1,898,502.36 = 400,965.30/x
  3. Step 3: Cross multiply
    1,265,478.37x = 1,898,502.36 × 400,965.30
  4. Step 4: Simplify right side
    1,265,478.37x = 761,233,566,824.49
  5. Step 5: Solve for x
    x = 761,233,566,824.49/1,265,478.37
  6. Step 6: Final answer
    x = 601,538.19

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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.