Home / 1,559,220-2,151,723.60-843,828

Finding the Fourth Proportional to 1,559,220, 2,151,723.60 and 843,828

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Solution

The fourth proportional to 1,559,220, 2,151,723.60 and 843,828 is: 1,164,482.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,220 : 2,151,723.60 = 843,828 : x
  2. Step 2: Convert to fraction form
    1,559,220/2,151,723.60 = 843,828/x
  3. Step 3: Cross multiply
    1,559,220x = 2,151,723.60 × 843,828
  4. Step 4: Simplify right side
    1,559,220x = 1,815,684,621,940.80
  5. Step 5: Solve for x
    x = 1,815,684,621,940.80/1,559,220
  6. Step 6: Final answer
    x = 1,164,482.64

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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.