Home / 1,637,561.10-2,454,008.85-1,207,742.70

Finding the Fourth Proportional to 1,637,561.10, 2,454,008.85 and 1,207,742.70

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Solution

The fourth proportional to 1,637,561.10, 2,454,008.85 and 1,207,742.70 is: 1,809,893.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,561.10 : 2,454,008.85 = 1,207,742.70 : x
  2. Step 2: Convert to fraction form
    1,637,561.10/2,454,008.85 = 1,207,742.70/x
  3. Step 3: Cross multiply
    1,637,561.10x = 2,454,008.85 × 1,207,742.70
  4. Step 4: Simplify right side
    1,637,561.10x = 2,963,811,274,322.90
  5. Step 5: Solve for x
    x = 2,963,811,274,322.90/1,637,561.10
  6. Step 6: Final answer
    x = 1,809,893.55

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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.