Home / 1,237,116.32-1,707,191.36-727,851.36

Finding the Fourth Proportional to 1,237,116.32, 1,707,191.36 and 727,851.36

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Solution

The fourth proportional to 1,237,116.32, 1,707,191.36 and 727,851.36 is: 1,004,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,116.32 : 1,707,191.36 = 727,851.36 : x
  2. Step 2: Convert to fraction form
    1,237,116.32/1,707,191.36 = 727,851.36/x
  3. Step 3: Cross multiply
    1,237,116.32x = 1,707,191.36 × 727,851.36
  4. Step 4: Simplify right side
    1,237,116.32x = 1,242,581,553,156.25
  5. Step 5: Solve for x
    x = 1,242,581,553,156.25/1,237,116.32
  6. Step 6: Final answer
    x = 1,004,417.72

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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.