Home / 857,487.61-1,180,362.95-741,148.09

Finding the Fourth Proportional to 857,487.61, 1,180,362.95 and 741,148.09

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Solution

The fourth proportional to 857,487.61, 1,180,362.95 and 741,148.09 is: 1,020,217.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,487.61 : 1,180,362.95 = 741,148.09 : x
  2. Step 2: Convert to fraction form
    857,487.61/1,180,362.95 = 741,148.09/x
  3. Step 3: Cross multiply
    857,487.61x = 1,180,362.95 × 741,148.09
  4. Step 4: Simplify right side
    857,487.61x = 874,823,748,661.47
  5. Step 5: Solve for x
    x = 874,823,748,661.47/857,487.61
  6. Step 6: Final answer
    x = 1,020,217.36

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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.