Home / 897,227.70-1,345,841.55-861,798.30

Finding the Fourth Proportional to 897,227.70, 1,345,841.55 and 861,798.30

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Solution

The fourth proportional to 897,227.70, 1,345,841.55 and 861,798.30 is: 1,292,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,227.70 : 1,345,841.55 = 861,798.30 : x
  2. Step 2: Convert to fraction form
    897,227.70/1,345,841.55 = 861,798.30/x
  3. Step 3: Cross multiply
    897,227.70x = 1,345,841.55 × 861,798.30
  4. Step 4: Simplify right side
    897,227.70x = 1,159,843,959,859.37
  5. Step 5: Solve for x
    x = 1,159,843,959,859.37/897,227.70
  6. Step 6: Final answer
    x = 1,292,697.45

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Similar ratio
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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.