Home / 1,138,746.37-1,571,415.70-622,526.89

Finding the Fourth Proportional to 1,138,746.37, 1,571,415.70 and 622,526.89

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Solution

The fourth proportional to 1,138,746.37, 1,571,415.70 and 622,526.89 is: 859,057.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,746.37 : 1,571,415.70 = 622,526.89 : x
  2. Step 2: Convert to fraction form
    1,138,746.37/1,571,415.70 = 622,526.89/x
  3. Step 3: Cross multiply
    1,138,746.37x = 1,571,415.70 × 622,526.89
  4. Step 4: Simplify right side
    1,138,746.37x = 978,248,517,648.46
  5. Step 5: Solve for x
    x = 978,248,517,648.46/1,138,746.37
  6. Step 6: Final answer
    x = 859,057.42

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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.