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Finding the Fourth Proportional to 838,798.40, 1,259,426.40 and 590,580.80

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Solution

The fourth proportional to 838,798.40, 1,259,426.40 and 590,580.80 is: 886,736.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,798.40 : 1,259,426.40 = 590,580.80 : x
  2. Step 2: Convert to fraction form
    838,798.40/1,259,426.40 = 590,580.80/x
  3. Step 3: Cross multiply
    838,798.40x = 1,259,426.40 × 590,580.80
  4. Step 4: Simplify right side
    838,798.40x = 743,793,050,853.12
  5. Step 5: Solve for x
    x = 743,793,050,853.12/838,798.40
  6. Step 6: Final answer
    x = 886,736.37

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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.