Home / 897,421.70-1,346,132.55-861,992.30

Finding the Fourth Proportional to 897,421.70, 1,346,132.55 and 861,992.30

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Solution

The fourth proportional to 897,421.70, 1,346,132.55 and 861,992.30 is: 1,292,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,421.70 : 1,346,132.55 = 861,992.30 : x
  2. Step 2: Convert to fraction form
    897,421.70/1,346,132.55 = 861,992.30/x
  3. Step 3: Cross multiply
    897,421.70x = 1,346,132.55 × 861,992.30
  4. Step 4: Simplify right side
    897,421.70x = 1,160,355,892,879.37
  5. Step 5: Solve for x
    x = 1,160,355,892,879.37/897,421.70
  6. Step 6: Final answer
    x = 1,292,988.45

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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.