Home / 1,298,765.04-1,792,302.39-725,814.78

Finding the Fourth Proportional to 1,298,765.04, 1,792,302.39 and 725,814.78

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Solution

The fourth proportional to 1,298,765.04, 1,792,302.39 and 725,814.78 is: 1,001,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,765.04 : 1,792,302.39 = 725,814.78 : x
  2. Step 2: Convert to fraction form
    1,298,765.04/1,792,302.39 = 725,814.78/x
  3. Step 3: Cross multiply
    1,298,765.04x = 1,792,302.39 × 725,814.78
  4. Step 4: Simplify right side
    1,298,765.04x = 1,300,879,564,891.32
  5. Step 5: Solve for x
    x = 1,300,879,564,891.32/1,298,765.04
  6. Step 6: Final answer
    x = 1,001,628.10

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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.