Home / 1,042,619.76-1,438,776-589,920.48

Finding the Fourth Proportional to 1,042,619.76, 1,438,776 and 589,920.48

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Solution

The fourth proportional to 1,042,619.76, 1,438,776 and 589,920.48 is: 814,068.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,619.76 : 1,438,776 = 589,920.48 : x
  2. Step 2: Convert to fraction form
    1,042,619.76/1,438,776 = 589,920.48/x
  3. Step 3: Cross multiply
    1,042,619.76x = 1,438,776 × 589,920.48
  4. Step 4: Simplify right side
    1,042,619.76x = 848,763,428,532.48
  5. Step 5: Solve for x
    x = 848,763,428,532.48/1,042,619.76
  6. Step 6: Final answer
    x = 814,068.04

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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.