Home / 1,585,509.16-2,187,087.60-1,011,902.80

Finding the Fourth Proportional to 1,585,509.16, 2,187,087.60 and 1,011,902.80

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Solution

The fourth proportional to 1,585,509.16, 2,187,087.60 and 1,011,902.80 is: 1,395,841.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,509.16 : 2,187,087.60 = 1,011,902.80 : x
  2. Step 2: Convert to fraction form
    1,585,509.16/2,187,087.60 = 1,011,902.80/x
  3. Step 3: Cross multiply
    1,585,509.16x = 2,187,087.60 × 1,011,902.80
  4. Step 4: Simplify right side
    1,585,509.16x = 2,213,120,066,285.28
  5. Step 5: Solve for x
    x = 2,213,120,066,285.28/1,585,509.16
  6. Step 6: Final answer
    x = 1,395,841.87

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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.