Home / 875,688.30-1,310,973.39-791,641.89

Finding the Fourth Proportional to 875,688.30, 1,310,973.39 and 791,641.89

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Solution

The fourth proportional to 875,688.30, 1,310,973.39 and 791,641.89 is: 1,185,149.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,688.30 : 1,310,973.39 = 791,641.89 : x
  2. Step 2: Convert to fraction form
    875,688.30/1,310,973.39 = 791,641.89/x
  3. Step 3: Cross multiply
    875,688.30x = 1,310,973.39 × 791,641.89
  4. Step 4: Simplify right side
    875,688.30x = 1,037,821,452,199.31
  5. Step 5: Solve for x
    x = 1,037,821,452,199.31/875,688.30
  6. Step 6: Final answer
    x = 1,185,149.39

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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.