Home / 1,182,665.40-1,774,127.70-1,145,340.60

Finding the Fourth Proportional to 1,182,665.40, 1,774,127.70 and 1,145,340.60

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Solution

The fourth proportional to 1,182,665.40, 1,774,127.70 and 1,145,340.60 is: 1,718,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,665.40 : 1,774,127.70 = 1,145,340.60 : x
  2. Step 2: Convert to fraction form
    1,182,665.40/1,774,127.70 = 1,145,340.60/x
  3. Step 3: Cross multiply
    1,182,665.40x = 1,774,127.70 × 1,145,340.60
  4. Step 4: Simplify right side
    1,182,665.40x = 2,031,980,484,394.62
  5. Step 5: Solve for x
    x = 2,031,980,484,394.62/1,182,665.40
  6. Step 6: Final answer
    x = 1,718,136.41

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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.