Home / 1,292,573.80-1,939,746.38-451,125.56

Finding the Fourth Proportional to 1,292,573.80, 1,939,746.38 and 451,125.56

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Solution

The fourth proportional to 1,292,573.80, 1,939,746.38 and 451,125.56 is: 676,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,573.80 : 1,939,746.38 = 451,125.56 : x
  2. Step 2: Convert to fraction form
    1,292,573.80/1,939,746.38 = 451,125.56/x
  3. Step 3: Cross multiply
    1,292,573.80x = 1,939,746.38 × 451,125.56
  4. Step 4: Simplify right side
    1,292,573.80x = 875,069,171,935.47
  5. Step 5: Solve for x
    x = 875,069,171,935.47/1,292,573.80
  6. Step 6: Final answer
    x = 676,997.45

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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.