Home / 848,187.40-1,272,281.10-811,784.20

Finding the Fourth Proportional to 848,187.40, 1,272,281.10 and 811,784.20

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Solution

The fourth proportional to 848,187.40, 1,272,281.10 and 811,784.20 is: 1,217,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,187.40 : 1,272,281.10 = 811,784.20 : x
  2. Step 2: Convert to fraction form
    848,187.40/1,272,281.10 = 811,784.20/x
  3. Step 3: Cross multiply
    848,187.40x = 1,272,281.10 × 811,784.20
  4. Step 4: Simplify right side
    848,187.40x = 1,032,817,694,938.62
  5. Step 5: Solve for x
    x = 1,032,817,694,938.62/848,187.40
  6. Step 6: Final answer
    x = 1,217,676.30

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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.