Home / 1,243,920.03-1,716,621.83-692,643.48

Finding the Fourth Proportional to 1,243,920.03, 1,716,621.83 and 692,643.48

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Solution

The fourth proportional to 1,243,920.03, 1,716,621.83 and 692,643.48 is: 955,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,920.03 : 1,716,621.83 = 692,643.48 : x
  2. Step 2: Convert to fraction form
    1,243,920.03/1,716,621.83 = 692,643.48/x
  3. Step 3: Cross multiply
    1,243,920.03x = 1,716,621.83 × 692,643.48
  4. Step 4: Simplify right side
    1,243,920.03x = 1,189,006,918,175.17
  5. Step 5: Solve for x
    x = 1,189,006,918,175.17/1,243,920.03
  6. Step 6: Final answer
    x = 955,854.79

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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.