Home / 1,298,619.60-1,792,060.65-725,664.48

Finding the Fourth Proportional to 1,298,619.60, 1,792,060.65 and 725,664.48

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Solution

The fourth proportional to 1,298,619.60, 1,792,060.65 and 725,664.48 is: 1,001,397.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,619.60 : 1,792,060.65 = 725,664.48 : x
  2. Step 2: Convert to fraction form
    1,298,619.60/1,792,060.65 = 725,664.48/x
  3. Step 3: Cross multiply
    1,298,619.60x = 1,792,060.65 × 725,664.48
  4. Step 4: Simplify right side
    1,298,619.60x = 1,300,434,759,710.71
  5. Step 5: Solve for x
    x = 1,300,434,759,710.71/1,298,619.60
  6. Step 6: Final answer
    x = 1,001,397.76

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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.