Home / 848,188.40-1,272,282.60-811,785.20

Finding the Fourth Proportional to 848,188.40, 1,272,282.60 and 811,785.20

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Solution

The fourth proportional to 848,188.40, 1,272,282.60 and 811,785.20 is: 1,217,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,188.40 : 1,272,282.60 = 811,785.20 : x
  2. Step 2: Convert to fraction form
    848,188.40/1,272,282.60 = 811,785.20/x
  3. Step 3: Cross multiply
    848,188.40x = 1,272,282.60 × 811,785.20
  4. Step 4: Simplify right side
    848,188.40x = 1,032,820,184,897.52
  5. Step 5: Solve for x
    x = 1,032,820,184,897.52/848,188.40
  6. Step 6: Final answer
    x = 1,217,677.80

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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.