Home / 1,138,561.66-1,708,122.78-802,259.02

Finding the Fourth Proportional to 1,138,561.66, 1,708,122.78 and 802,259.02

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Solution

The fourth proportional to 1,138,561.66, 1,708,122.78 and 802,259.02 is: 1,203,586.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,561.66 : 1,708,122.78 = 802,259.02 : x
  2. Step 2: Convert to fraction form
    1,138,561.66/1,708,122.78 = 802,259.02/x
  3. Step 3: Cross multiply
    1,138,561.66x = 1,708,122.78 × 802,259.02
  4. Step 4: Simplify right side
    1,138,561.66x = 1,370,356,907,522.48
  5. Step 5: Solve for x
    x = 1,370,356,907,522.48/1,138,561.66
  6. Step 6: Final answer
    x = 1,203,586.03

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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.