Home / 875,201.20-1,312,801.80-739,898.80

Finding the Fourth Proportional to 875,201.20, 1,312,801.80 and 739,898.80

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Solution

The fourth proportional to 875,201.20, 1,312,801.80 and 739,898.80 is: 1,109,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,201.20 : 1,312,801.80 = 739,898.80 : x
  2. Step 2: Convert to fraction form
    875,201.20/1,312,801.80 = 739,898.80/x
  3. Step 3: Cross multiply
    875,201.20x = 1,312,801.80 × 739,898.80
  4. Step 4: Simplify right side
    875,201.20x = 971,340,476,457.84
  5. Step 5: Solve for x
    x = 971,340,476,457.84/875,201.20
  6. Step 6: Final answer
    x = 1,109,848.20

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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.