Home / 1,238,744.77-1,709,465.00-687,544.94

Finding the Fourth Proportional to 1,238,744.77, 1,709,465.00 and 687,544.94

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Solution

The fourth proportional to 1,238,744.77, 1,709,465.00 and 687,544.94 is: 948,810.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,744.77 : 1,709,465.00 = 687,544.94 : x
  2. Step 2: Convert to fraction form
    1,238,744.77/1,709,465.00 = 687,544.94/x
  3. Step 3: Cross multiply
    1,238,744.77x = 1,709,465.00 × 687,544.94
  4. Step 4: Simplify right side
    1,238,744.77x = 1,175,334,011,693.04
  5. Step 5: Solve for x
    x = 1,175,334,011,693.04/1,238,744.77
  6. Step 6: Final answer
    x = 948,810.48

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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.