Home / 1,298,616.59-1,792,056.51-725,661.47

Finding the Fourth Proportional to 1,298,616.59, 1,792,056.51 and 725,661.47

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Solution

The fourth proportional to 1,298,616.59, 1,792,056.51 and 725,661.47 is: 1,001,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,616.59 : 1,792,056.51 = 725,661.47 : x
  2. Step 2: Convert to fraction form
    1,298,616.59/1,792,056.51 = 725,661.47/x
  3. Step 3: Cross multiply
    1,298,616.59x = 1,792,056.51 × 725,661.47
  4. Step 4: Simplify right side
    1,298,616.59x = 1,300,426,365,849.81
  5. Step 5: Solve for x
    x = 1,300,426,365,849.81/1,298,616.59
  6. Step 6: Final answer
    x = 1,001,393.62

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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.