Home / 1,637,857.50-2,259,040.24-1,085,574.40

Finding the Fourth Proportional to 1,637,857.50, 2,259,040.24 and 1,085,574.40

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Solution

The fourth proportional to 1,637,857.50, 2,259,040.24 and 1,085,574.40 is: 1,497,295.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,857.50 : 2,259,040.24 = 1,085,574.40 : x
  2. Step 2: Convert to fraction form
    1,637,857.50/2,259,040.24 = 1,085,574.40/x
  3. Step 3: Cross multiply
    1,637,857.50x = 2,259,040.24 × 1,085,574.40
  4. Step 4: Simplify right side
    1,637,857.50x = 2,452,356,253,113.86
  5. Step 5: Solve for x
    x = 2,452,356,253,113.86/1,637,857.50
  6. Step 6: Final answer
    x = 1,497,295.25

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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.