Home / 1,242,590.48-1,864,276.95-443,854.34

Finding the Fourth Proportional to 1,242,590.48, 1,864,276.95 and 443,854.34

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Solution

The fourth proportional to 1,242,590.48, 1,864,276.95 and 443,854.34 is: 665,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,590.48 : 1,864,276.95 = 443,854.34 : x
  2. Step 2: Convert to fraction form
    1,242,590.48/1,864,276.95 = 443,854.34/x
  3. Step 3: Cross multiply
    1,242,590.48x = 1,864,276.95 × 443,854.34
  4. Step 4: Simplify right side
    1,242,590.48x = 827,467,415,219.46
  5. Step 5: Solve for x
    x = 827,467,415,219.46/1,242,590.48
  6. Step 6: Final answer
    x = 665,921.26

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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.