Home / 1,672,127.88-2,307,459.12-946,980.80

Finding the Fourth Proportional to 1,672,127.88, 2,307,459.12 and 946,980.80

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Solution

The fourth proportional to 1,672,127.88, 2,307,459.12 and 946,980.80 is: 1,306,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,127.88 : 2,307,459.12 = 946,980.80 : x
  2. Step 2: Convert to fraction form
    1,672,127.88/2,307,459.12 = 946,980.80/x
  3. Step 3: Cross multiply
    1,672,127.88x = 2,307,459.12 × 946,980.80
  4. Step 4: Simplify right side
    1,672,127.88x = 2,185,119,483,424.90
  5. Step 5: Solve for x
    x = 2,185,119,483,424.90/1,672,127.88
  6. Step 6: Final answer
    x = 1,306,789.70

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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.