Home / 1,299,225.85-1,792,943.28-718,488.06

Finding the Fourth Proportional to 1,299,225.85, 1,792,943.28 and 718,488.06

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Solution

The fourth proportional to 1,299,225.85, 1,792,943.28 and 718,488.06 is: 991,519.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,225.85 : 1,792,943.28 = 718,488.06 : x
  2. Step 2: Convert to fraction form
    1,299,225.85/1,792,943.28 = 718,488.06/x
  3. Step 3: Cross multiply
    1,299,225.85x = 1,792,943.28 × 718,488.06
  4. Step 4: Simplify right side
    1,299,225.85x = 1,288,208,337,756.93
  5. Step 5: Solve for x
    x = 1,288,208,337,756.93/1,299,225.85
  6. Step 6: Final answer
    x = 991,519.94

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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.