Home / 1,535,842.69-2,119,884.52-891,470.48

Finding the Fourth Proportional to 1,535,842.69, 2,119,884.52 and 891,470.48

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Solution

The fourth proportional to 1,535,842.69, 2,119,884.52 and 891,470.48 is: 1,230,473.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,842.69 : 2,119,884.52 = 891,470.48 : x
  2. Step 2: Convert to fraction form
    1,535,842.69/2,119,884.52 = 891,470.48/x
  3. Step 3: Cross multiply
    1,535,842.69x = 2,119,884.52 × 891,470.48
  4. Step 4: Simplify right side
    1,535,842.69x = 1,889,814,470,588.97
  5. Step 5: Solve for x
    x = 1,889,814,470,588.97/1,535,842.69
  6. Step 6: Final answer
    x = 1,230,473.98

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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.