Home / 881,801.61-1,320,458.87-581,370.69

Finding the Fourth Proportional to 881,801.61, 1,320,458.87 and 581,370.69

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Solution

The fourth proportional to 881,801.61, 1,320,458.87 and 581,370.69 is: 870,576.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,801.61 : 1,320,458.87 = 581,370.69 : x
  2. Step 2: Convert to fraction form
    881,801.61/1,320,458.87 = 581,370.69/x
  3. Step 3: Cross multiply
    881,801.61x = 1,320,458.87 × 581,370.69
  4. Step 4: Simplify right side
    881,801.61x = 767,676,084,368.52
  5. Step 5: Solve for x
    x = 767,676,084,368.52/881,801.61
  6. Step 6: Final answer
    x = 870,576.87

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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.