Home / 1,521,750.24-2,099,939.40-877,131.36

Finding the Fourth Proportional to 1,521,750.24, 2,099,939.40 and 877,131.36

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Solution

The fourth proportional to 1,521,750.24, 2,099,939.40 and 877,131.36 is: 1,210,397.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,750.24 : 2,099,939.40 = 877,131.36 : x
  2. Step 2: Convert to fraction form
    1,521,750.24/2,099,939.40 = 877,131.36/x
  3. Step 3: Cross multiply
    1,521,750.24x = 2,099,939.40 × 877,131.36
  4. Step 4: Simplify right side
    1,521,750.24x = 1,841,922,701,839.58
  5. Step 5: Solve for x
    x = 1,841,922,701,839.58/1,521,750.24
  6. Step 6: Final answer
    x = 1,210,397.51

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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.