Home / 1,645,905.40-2,468,041.62-523,828.60

Finding the Fourth Proportional to 1,645,905.40, 2,468,041.62 and 523,828.60

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Solution

The fourth proportional to 1,645,905.40, 2,468,041.62 and 523,828.60 is: 785,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,905.40 : 2,468,041.62 = 523,828.60 : x
  2. Step 2: Convert to fraction form
    1,645,905.40/2,468,041.62 = 523,828.60/x
  3. Step 3: Cross multiply
    1,645,905.40x = 2,468,041.62 × 523,828.60
  4. Step 4: Simplify right side
    1,645,905.40x = 1,292,830,786,546.33
  5. Step 5: Solve for x
    x = 1,292,830,786,546.33/1,645,905.40
  6. Step 6: Final answer
    x = 785,483.05

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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.