Home / 1,842,124.32-2,761,852.41-776,581.47

Finding the Fourth Proportional to 1,842,124.32, 2,761,852.41 and 776,581.47

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Solution

The fourth proportional to 1,842,124.32, 2,761,852.41 and 776,581.47 is: 1,164,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,124.32 : 2,761,852.41 = 776,581.47 : x
  2. Step 2: Convert to fraction form
    1,842,124.32/2,761,852.41 = 776,581.47/x
  3. Step 3: Cross multiply
    1,842,124.32x = 2,761,852.41 × 776,581.47
  4. Step 4: Simplify right side
    1,842,124.32x = 2,144,803,404,480.84
  5. Step 5: Solve for x
    x = 2,144,803,404,480.84/1,842,124.32
  6. Step 6: Final answer
    x = 1,164,309.80

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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.