Home / 1,535,842.56-2,119,884.35-891,470.35

Finding the Fourth Proportional to 1,535,842.56, 2,119,884.35 and 891,470.35

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Solution

The fourth proportional to 1,535,842.56, 2,119,884.35 and 891,470.35 is: 1,230,473.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,842.56 : 2,119,884.35 = 891,470.35 : x
  2. Step 2: Convert to fraction form
    1,535,842.56/2,119,884.35 = 891,470.35/x
  3. Step 3: Cross multiply
    1,535,842.56x = 2,119,884.35 × 891,470.35
  4. Step 4: Simplify right side
    1,535,842.56x = 1,889,814,043,454.02
  5. Step 5: Solve for x
    x = 1,889,814,043,454.02/1,535,842.56
  6. Step 6: Final answer
    x = 1,230,473.81

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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.