Home / 1,580,376.76-2,370,324.60-515,417.12

Finding the Fourth Proportional to 1,580,376.76, 2,370,324.60 and 515,417.12

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Solution

The fourth proportional to 1,580,376.76, 2,370,324.60 and 515,417.12 is: 773,047.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,376.76 : 2,370,324.60 = 515,417.12 : x
  2. Step 2: Convert to fraction form
    1,580,376.76/2,370,324.60 = 515,417.12/x
  3. Step 3: Cross multiply
    1,580,376.76x = 2,370,324.60 × 515,417.12
  4. Step 4: Simplify right side
    1,580,376.76x = 1,221,705,878,797.15
  5. Step 5: Solve for x
    x = 1,221,705,878,797.15/1,580,376.76
  6. Step 6: Final answer
    x = 773,047.23

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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.