Home / 1,239,808.96-1,710,880.32-756,297.28

Finding the Fourth Proportional to 1,239,808.96, 1,710,880.32 and 756,297.28

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Solution

The fourth proportional to 1,239,808.96, 1,710,880.32 and 756,297.28 is: 1,043,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,808.96 : 1,710,880.32 = 756,297.28 : x
  2. Step 2: Convert to fraction form
    1,239,808.96/1,710,880.32 = 756,297.28/x
  3. Step 3: Cross multiply
    1,239,808.96x = 1,710,880.32 × 756,297.28
  4. Step 4: Simplify right side
    1,239,808.96x = 1,293,934,132,421.53
  5. Step 5: Solve for x
    x = 1,293,934,132,421.53/1,239,808.96
  6. Step 6: Final answer
    x = 1,043,656.06

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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.