Home / 1,656,072.90-2,484,109.35-858,911.40

Finding the Fourth Proportional to 1,656,072.90, 2,484,109.35 and 858,911.40

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Solution

The fourth proportional to 1,656,072.90, 2,484,109.35 and 858,911.40 is: 1,288,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,072.90 : 2,484,109.35 = 858,911.40 : x
  2. Step 2: Convert to fraction form
    1,656,072.90/2,484,109.35 = 858,911.40/x
  3. Step 3: Cross multiply
    1,656,072.90x = 2,484,109.35 × 858,911.40
  4. Step 4: Simplify right side
    1,656,072.90x = 2,133,629,839,561.59
  5. Step 5: Solve for x
    x = 2,133,629,839,561.59/1,656,072.90
  6. Step 6: Final answer
    x = 1,288,367.10

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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.