Home / 1,752,123.33-2,628,206.06-687,666.69

Finding the Fourth Proportional to 1,752,123.33, 2,628,206.06 and 687,666.69

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Solution

The fourth proportional to 1,752,123.33, 2,628,206.06 and 687,666.69 is: 1,031,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,123.33 : 2,628,206.06 = 687,666.69 : x
  2. Step 2: Convert to fraction form
    1,752,123.33/2,628,206.06 = 687,666.69/x
  3. Step 3: Cross multiply
    1,752,123.33x = 2,628,206.06 × 687,666.69
  4. Step 4: Simplify right side
    1,752,123.33x = 1,807,329,758,479.81
  5. Step 5: Solve for x
    x = 1,807,329,758,479.81/1,752,123.33
  6. Step 6: Final answer
    x = 1,031,508.30

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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.