Home / 846,510.71-1,269,018.62-647,718.49

Finding the Fourth Proportional to 846,510.71, 1,269,018.62 and 647,718.49

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Solution

The fourth proportional to 846,510.71, 1,269,018.62 and 647,718.49 is: 971,005.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,510.71 : 1,269,018.62 = 647,718.49 : x
  2. Step 2: Convert to fraction form
    846,510.71/1,269,018.62 = 647,718.49/x
  3. Step 3: Cross multiply
    846,510.71x = 1,269,018.62 × 647,718.49
  4. Step 4: Simplify right side
    846,510.71x = 821,966,814,744.60
  5. Step 5: Solve for x
    x = 821,966,814,744.60/846,510.71
  6. Step 6: Final answer
    x = 971,005.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.