Home / 1,580,947.76-2,371,799.52-515,991.80

Finding the Fourth Proportional to 1,580,947.76, 2,371,799.52 and 515,991.80

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Solution

The fourth proportional to 1,580,947.76, 2,371,799.52 and 515,991.80 is: 774,111.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,947.76 : 2,371,799.52 = 515,991.80 : x
  2. Step 2: Convert to fraction form
    1,580,947.76/2,371,799.52 = 515,991.80/x
  3. Step 3: Cross multiply
    1,580,947.76x = 2,371,799.52 × 515,991.80
  4. Step 4: Simplify right side
    1,580,947.76x = 1,223,829,103,563.94
  5. Step 5: Solve for x
    x = 1,223,829,103,563.94/1,580,947.76
  6. Step 6: Final answer
    x = 774,111.03

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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.