Home / 1,392,726.48-1,922,800.86-910,099.32

Finding the Fourth Proportional to 1,392,726.48, 1,922,800.86 and 910,099.32

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Solution

The fourth proportional to 1,392,726.48, 1,922,800.86 and 910,099.32 is: 1,256,484.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,726.48 : 1,922,800.86 = 910,099.32 : x
  2. Step 2: Convert to fraction form
    1,392,726.48/1,922,800.86 = 910,099.32/x
  3. Step 3: Cross multiply
    1,392,726.48x = 1,922,800.86 × 910,099.32
  4. Step 4: Simplify right side
    1,392,726.48x = 1,749,939,755,181.42
  5. Step 5: Solve for x
    x = 1,749,939,755,181.42/1,392,726.48
  6. Step 6: Final answer
    x = 1,256,484.87

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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.