Home / 1,298,660.43-1,792,148.52-725,700.66

Finding the Fourth Proportional to 1,298,660.43, 1,792,148.52 and 725,700.66

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Solution

The fourth proportional to 1,298,660.43, 1,792,148.52 and 725,700.66 is: 1,001,465.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,660.43 : 1,792,148.52 = 725,700.66 : x
  2. Step 2: Convert to fraction form
    1,298,660.43/1,792,148.52 = 725,700.66/x
  3. Step 3: Cross multiply
    1,298,660.43x = 1,792,148.52 × 725,700.66
  4. Step 4: Simplify right side
    1,298,660.43x = 1,300,563,363,782.02
  5. Step 5: Solve for x
    x = 1,300,563,363,782.02/1,298,660.43
  6. Step 6: Final answer
    x = 1,001,465.31

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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.